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Finding the Fourth Proportional to 59,294.40, 89,006.40 and 37,132.80

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Solution

The fourth proportional to 59,294.40, 89,006.40 and 37,132.80 is: 55,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,294.40 : 89,006.40 = 37,132.80 : x
  2. Step 2: Convert to fraction form
    59,294.40/89,006.40 = 37,132.80/x
  3. Step 3: Cross multiply
    59,294.40x = 89,006.40 × 37,132.80
  4. Step 4: Simplify right side
    59,294.40x = 3,305,056,849.92
  5. Step 5: Solve for x
    x = 3,305,056,849.92/59,294.40
  6. Step 6: Final answer
    x = 55,739.78

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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.