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Finding the Fourth Proportional to 48,755.92, 73,136.72 and 13,698.31

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Solution

The fourth proportional to 48,755.92, 73,136.72 and 13,698.31 is: 20,548.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.92 : 73,136.72 = 13,698.31 : x
  2. Step 2: Convert to fraction form
    48,755.92/73,136.72 = 13,698.31/x
  3. Step 3: Cross multiply
    48,755.92x = 73,136.72 × 13,698.31
  4. Step 4: Simplify right side
    48,755.92x = 1,001,849,462.94
  5. Step 5: Solve for x
    x = 1,001,849,462.94/48,755.92
  6. Step 6: Final answer
    x = 20,548.26

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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.