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Finding the Fourth Proportional to 18,584.52, 25,651.22 and 11,416.17

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Solution

The fourth proportional to 18,584.52, 25,651.22 and 11,416.17 is: 15,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.52 : 25,651.22 = 11,416.17 : x
  2. Step 2: Convert to fraction form
    18,584.52/25,651.22 = 11,416.17/x
  3. Step 3: Cross multiply
    18,584.52x = 25,651.22 × 11,416.17
  4. Step 4: Simplify right side
    18,584.52x = 292,838,631.15
  5. Step 5: Solve for x
    x = 292,838,631.15/18,584.52
  6. Step 6: Final answer
    x = 15,757.13

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1.5x scale

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.