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Finding the Fourth Proportional to 59,487.97, 89,213.73 and 20,034.49

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Solution

The fourth proportional to 59,487.97, 89,213.73 and 20,034.49 is: 30,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,487.97 : 89,213.73 = 20,034.49 : x
  2. Step 2: Convert to fraction form
    59,487.97/89,213.73 = 20,034.49/x
  3. Step 3: Cross multiply
    59,487.97x = 89,213.73 × 20,034.49
  4. Step 4: Simplify right side
    59,487.97x = 1,787,351,581.55
  5. Step 5: Solve for x
    x = 1,787,351,581.55/59,487.97
  6. Step 6: Final answer
    x = 30,045.60

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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.