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Finding the Fourth Proportional to 52,667.20, 79,000.80 and 33,006.40

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Solution

The fourth proportional to 52,667.20, 79,000.80 and 33,006.40 is: 49,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,667.20 : 79,000.80 = 33,006.40 : x
  2. Step 2: Convert to fraction form
    52,667.20/79,000.80 = 33,006.40/x
  3. Step 3: Cross multiply
    52,667.20x = 79,000.80 × 33,006.40
  4. Step 4: Simplify right side
    52,667.20x = 2,607,532,005.12
  5. Step 5: Solve for x
    x = 2,607,532,005.12/52,667.20
  6. Step 6: Final answer
    x = 49,509.60

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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.