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Finding the Fourth Proportional to 53,487.68, 73,815.72 and 29,616.98

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Solution

The fourth proportional to 53,487.68, 73,815.72 and 29,616.98 is: 40,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,487.68 : 73,815.72 = 29,616.98 : x
  2. Step 2: Convert to fraction form
    53,487.68/73,815.72 = 29,616.98/x
  3. Step 3: Cross multiply
    53,487.68x = 73,815.72 × 29,616.98
  4. Step 4: Simplify right side
    53,487.68x = 2,186,198,702.93
  5. Step 5: Solve for x
    x = 2,186,198,702.93/53,487.68
  6. Step 6: Final answer
    x = 40,872.94

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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.