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Finding the Fourth Proportional to 30,522.22, 45,783.33 and 8,335.10

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Solution

The fourth proportional to 30,522.22, 45,783.33 and 8,335.10 is: 12,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.22 : 45,783.33 = 8,335.10 : x
  2. Step 2: Convert to fraction form
    30,522.22/45,783.33 = 8,335.10/x
  3. Step 3: Cross multiply
    30,522.22x = 45,783.33 × 8,335.10
  4. Step 4: Simplify right side
    30,522.22x = 381,608,633.88
  5. Step 5: Solve for x
    x = 381,608,633.88/30,522.22
  6. Step 6: Final answer
    x = 12,502.65

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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.