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Finding the Fourth Proportional to 59,138.52, 81,557.88 and 37,913.64

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Solution

The fourth proportional to 59,138.52, 81,557.88 and 37,913.64 is: 52,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,138.52 : 81,557.88 = 37,913.64 : x
  2. Step 2: Convert to fraction form
    59,138.52/81,557.88 = 37,913.64/x
  3. Step 3: Cross multiply
    59,138.52x = 81,557.88 × 37,913.64
  4. Step 4: Simplify right side
    59,138.52x = 3,092,156,101.48
  5. Step 5: Solve for x
    x = 3,092,156,101.48/59,138.52
  6. Step 6: Final answer
    x = 52,286.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.