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Finding the Fourth Proportional to 17,248.71, 25,909.92 and 12,349.83

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Solution

The fourth proportional to 17,248.71, 25,909.92 and 12,349.83 is: 18,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,248.71 : 25,909.92 = 12,349.83 : x
  2. Step 2: Convert to fraction form
    17,248.71/25,909.92 = 12,349.83/x
  3. Step 3: Cross multiply
    17,248.71x = 25,909.92 × 12,349.83
  4. Step 4: Simplify right side
    17,248.71x = 319,983,107.31
  5. Step 5: Solve for x
    x = 319,983,107.31/17,248.71
  6. Step 6: Final answer
    x = 18,551.13

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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.