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Finding the Fourth Proportional to 24,930.50, 34,406.52 and 13,752.50

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Solution

The fourth proportional to 24,930.50, 34,406.52 and 13,752.50 is: 18,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,930.50 : 34,406.52 = 13,752.50 : x
  2. Step 2: Convert to fraction form
    24,930.50/34,406.52 = 13,752.50/x
  3. Step 3: Cross multiply
    24,930.50x = 34,406.52 × 13,752.50
  4. Step 4: Simplify right side
    24,930.50x = 473,175,666.30
  5. Step 5: Solve for x
    x = 473,175,666.30/24,930.50
  6. Step 6: Final answer
    x = 18,979.79

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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.