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Finding the Fourth Proportional to 48,474.32, 72,747.92 and 22,197.51

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Solution

The fourth proportional to 48,474.32, 72,747.92 and 22,197.51 is: 33,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,474.32 : 72,747.92 = 22,197.51 : x
  2. Step 2: Convert to fraction form
    48,474.32/72,747.92 = 22,197.51/x
  3. Step 3: Cross multiply
    48,474.32x = 72,747.92 × 22,197.51
  4. Step 4: Simplify right side
    48,474.32x = 1,614,822,737.17
  5. Step 5: Solve for x
    x = 1,614,822,737.17/48,474.32
  6. Step 6: Final answer
    x = 33,312.96

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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.