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Finding the Fourth Proportional to 47,168.55, 70,737.81 and 15,572.73

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Solution

The fourth proportional to 47,168.55, 70,737.81 and 15,572.73 is: 23,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.55 : 70,737.81 = 15,572.73 : x
  2. Step 2: Convert to fraction form
    47,168.55/70,737.81 = 15,572.73/x
  3. Step 3: Cross multiply
    47,168.55x = 70,737.81 × 15,572.73
  4. Step 4: Simplify right side
    47,168.55x = 1,101,580,815.92
  5. Step 5: Solve for x
    x = 1,101,580,815.92/47,168.55
  6. Step 6: Final answer
    x = 23,354.14

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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.