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Finding the Fourth Proportional to 17,177.40, 25,782.30 and 10,616.40

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Solution

The fourth proportional to 17,177.40, 25,782.30 and 10,616.40 is: 15,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.40 : 25,782.30 = 10,616.40 : x
  2. Step 2: Convert to fraction form
    17,177.40/25,782.30 = 10,616.40/x
  3. Step 3: Cross multiply
    17,177.40x = 25,782.30 × 10,616.40
  4. Step 4: Simplify right side
    17,177.40x = 273,715,209.72
  5. Step 5: Solve for x
    x = 273,715,209.72/17,177.40
  6. Step 6: Final answer
    x = 15,934.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.