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Finding the Fourth Proportional to 17,892.65, 24,690.61 and 9,934.40

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Solution

The fourth proportional to 17,892.65, 24,690.61 and 9,934.40 is: 13,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.65 : 24,690.61 = 9,934.40 : x
  2. Step 2: Convert to fraction form
    17,892.65/24,690.61 = 9,934.40/x
  3. Step 3: Cross multiply
    17,892.65x = 24,690.61 × 9,934.40
  4. Step 4: Simplify right side
    17,892.65x = 245,286,395.98
  5. Step 5: Solve for x
    x = 245,286,395.98/17,892.65
  6. Step 6: Final answer
    x = 13,708.78

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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.