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Finding the Fourth Proportional to 59,065.86, 88,572.78 and 21,616.20

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Solution

The fourth proportional to 59,065.86, 88,572.78 and 21,616.20 is: 32,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,065.86 : 88,572.78 = 21,616.20 : x
  2. Step 2: Convert to fraction form
    59,065.86/88,572.78 = 21,616.20/x
  3. Step 3: Cross multiply
    59,065.86x = 88,572.78 × 21,616.20
  4. Step 4: Simplify right side
    59,065.86x = 1,914,606,927.04
  5. Step 5: Solve for x
    x = 1,914,606,927.04/59,065.86
  6. Step 6: Final answer
    x = 32,414.78

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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.