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Finding the Fourth Proportional to 59,572.85, 89,223.18 and 28,429.97

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Solution

The fourth proportional to 59,572.85, 89,223.18 and 28,429.97 is: 42,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,572.85 : 89,223.18 = 28,429.97 : x
  2. Step 2: Convert to fraction form
    59,572.85/89,223.18 = 28,429.97/x
  3. Step 3: Cross multiply
    59,572.85x = 89,223.18 × 28,429.97
  4. Step 4: Simplify right side
    59,572.85x = 2,536,612,330.70
  5. Step 5: Solve for x
    x = 2,536,612,330.70/59,572.85
  6. Step 6: Final answer
    x = 42,580.01

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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.