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Finding the Fourth Proportional to 16,608,638.70, 24,912,958.05 and 9,778,200.30

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Solution

The fourth proportional to 16,608,638.70, 24,912,958.05 and 9,778,200.30 is: 14,667,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608,638.70 : 24,912,958.05 = 9,778,200.30 : x
  2. Step 2: Convert to fraction form
    16,608,638.70/24,912,958.05 = 9,778,200.30/x
  3. Step 3: Cross multiply
    16,608,638.70x = 24,912,958.05 × 9,778,200.30
  4. Step 4: Simplify right side
    16,608,638.70x = 243,603,893,878,397.44
  5. Step 5: Solve for x
    x = 243,603,893,878,397.44/16,608,638.70
  6. Step 6: Final answer
    x = 14,667,300.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.