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Finding the Fourth Proportional to 47,061.15, 70,600.47 and 15,472.98

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Solution

The fourth proportional to 47,061.15, 70,600.47 and 15,472.98 is: 23,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,061.15 : 70,600.47 = 15,472.98 : x
  2. Step 2: Convert to fraction form
    47,061.15/70,600.47 = 15,472.98/x
  3. Step 3: Cross multiply
    47,061.15x = 70,600.47 × 15,472.98
  4. Step 4: Simplify right side
    47,061.15x = 1,092,399,660.30
  5. Step 5: Solve for x
    x = 1,092,399,660.30/47,061.15
  6. Step 6: Final answer
    x = 23,212.35

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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.