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Finding the Fourth Proportional to 59,565.79, 89,172.87 and 31,425.25

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Solution

The fourth proportional to 59,565.79, 89,172.87 and 31,425.25 is: 47,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,565.79 : 89,172.87 = 31,425.25 : x
  2. Step 2: Convert to fraction form
    59,565.79/89,172.87 = 31,425.25/x
  3. Step 3: Cross multiply
    59,565.79x = 89,172.87 × 31,425.25
  4. Step 4: Simplify right side
    59,565.79x = 2,802,280,200.74
  5. Step 5: Solve for x
    x = 2,802,280,200.74/59,565.79
  6. Step 6: Final answer
    x = 47,045.13

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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.