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Finding the Fourth Proportional to 59,937.60, 89,877.66 and 28,321.34

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Solution

The fourth proportional to 59,937.60, 89,877.66 and 28,321.34 is: 42,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,937.60 : 89,877.66 = 28,321.34 : x
  2. Step 2: Convert to fraction form
    59,937.60/89,877.66 = 28,321.34/x
  3. Step 3: Cross multiply
    59,937.60x = 89,877.66 × 28,321.34
  4. Step 4: Simplify right side
    59,937.60x = 2,545,455,317.88
  5. Step 5: Solve for x
    x = 2,545,455,317.88/59,937.60
  6. Step 6: Final answer
    x = 42,468.42

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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.