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Finding the Fourth Proportional to 15,285.10, 22,906.05 and 9,424.30

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Solution

The fourth proportional to 15,285.10, 22,906.05 and 9,424.30 is: 14,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.10 : 22,906.05 = 9,424.30 : x
  2. Step 2: Convert to fraction form
    15,285.10/22,906.05 = 9,424.30/x
  3. Step 3: Cross multiply
    15,285.10x = 22,906.05 × 9,424.30
  4. Step 4: Simplify right side
    15,285.10x = 215,873,487.02
  5. Step 5: Solve for x
    x = 215,873,487.02/15,285.10
  6. Step 6: Final answer
    x = 14,123.13

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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.