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Finding the Fourth Proportional to 59,689.60, 89,720.34 and 37,644.64

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Solution

The fourth proportional to 59,689.60, 89,720.34 and 37,644.64 is: 56,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,689.60 : 89,720.34 = 37,644.64 : x
  2. Step 2: Convert to fraction form
    59,689.60/89,720.34 = 37,644.64/x
  3. Step 3: Cross multiply
    59,689.60x = 89,720.34 × 37,644.64
  4. Step 4: Simplify right side
    59,689.60x = 3,377,489,899.98
  5. Step 5: Solve for x
    x = 3,377,489,899.98/59,689.60
  6. Step 6: Final answer
    x = 56,584.23

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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.