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Finding the Fourth Proportional to 59,607.20, 89,468.40 and 36,279.20

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Solution

The fourth proportional to 59,607.20, 89,468.40 and 36,279.20 is: 54,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,607.20 : 89,468.40 = 36,279.20 : x
  2. Step 2: Convert to fraction form
    59,607.20/89,468.40 = 36,279.20/x
  3. Step 3: Cross multiply
    59,607.20x = 89,468.40 × 36,279.20
  4. Step 4: Simplify right side
    59,607.20x = 3,245,841,977.28
  5. Step 5: Solve for x
    x = 3,245,841,977.28/59,607.20
  6. Step 6: Final answer
    x = 54,453.86

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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.