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Finding the Fourth Proportional to 59,523.60, 89,139.60 and 39,694.80

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Solution

The fourth proportional to 59,523.60, 89,139.60 and 39,694.80 is: 59,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,523.60 : 89,139.60 = 39,694.80 : x
  2. Step 2: Convert to fraction form
    59,523.60/89,139.60 = 39,694.80/x
  3. Step 3: Cross multiply
    59,523.60x = 89,139.60 × 39,694.80
  4. Step 4: Simplify right side
    59,523.60x = 3,538,378,594.08
  5. Step 5: Solve for x
    x = 3,538,378,594.08/59,523.60
  6. Step 6: Final answer
    x = 59,444.97

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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.