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Finding the Fourth Proportional to 39,407.92, 59,111.88 and 26,285.92

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Solution

The fourth proportional to 39,407.92, 59,111.88 and 26,285.92 is: 39,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407.92 : 59,111.88 = 26,285.92 : x
  2. Step 2: Convert to fraction form
    39,407.92/59,111.88 = 26,285.92/x
  3. Step 3: Cross multiply
    39,407.92x = 59,111.88 × 26,285.92
  4. Step 4: Simplify right side
    39,407.92x = 1,553,810,148.73
  5. Step 5: Solve for x
    x = 1,553,810,148.73/39,407.92
  6. Step 6: Final answer
    x = 39,428.88

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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.