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Finding the Fourth Proportional to 59,863.60, 89,864.52 and 39,127.60

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Solution

The fourth proportional to 59,863.60, 89,864.52 and 39,127.60 is: 58,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,863.60 : 89,864.52 = 39,127.60 : x
  2. Step 2: Convert to fraction form
    59,863.60/89,864.52 = 39,127.60/x
  3. Step 3: Cross multiply
    59,863.60x = 89,864.52 × 39,127.60
  4. Step 4: Simplify right side
    59,863.60x = 3,516,182,992.75
  5. Step 5: Solve for x
    x = 3,516,182,992.75/59,863.60
  6. Step 6: Final answer
    x = 58,736.58

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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.