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Finding the Fourth Proportional to 52,744.92, 79,108.86 and 19,480.66

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Solution

The fourth proportional to 52,744.92, 79,108.86 and 19,480.66 is: 29,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,744.92 : 79,108.86 = 19,480.66 : x
  2. Step 2: Convert to fraction form
    52,744.92/79,108.86 = 19,480.66/x
  3. Step 3: Cross multiply
    52,744.92x = 79,108.86 × 19,480.66
  4. Step 4: Simplify right side
    52,744.92x = 1,541,092,804.65
  5. Step 5: Solve for x
    x = 1,541,092,804.65/52,744.92
  6. Step 6: Final answer
    x = 29,217.84

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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.