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Finding the Fourth Proportional to 52,898.97, 79,348.92 and 13,456.13

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Solution

The fourth proportional to 52,898.97, 79,348.92 and 13,456.13 is: 20,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,898.97 : 79,348.92 = 13,456.13 : x
  2. Step 2: Convert to fraction form
    52,898.97/79,348.92 = 13,456.13/x
  3. Step 3: Cross multiply
    52,898.97x = 79,348.92 × 13,456.13
  4. Step 4: Simplify right side
    52,898.97x = 1,067,728,935.67
  5. Step 5: Solve for x
    x = 1,067,728,935.67/52,898.97
  6. Step 6: Final answer
    x = 20,184.30

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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.