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Finding the Fourth Proportional to 18,488.08, 25,546.08 and 16,126.12

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Solution

The fourth proportional to 18,488.08, 25,546.08 and 16,126.12 is: 22,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.08 : 25,546.08 = 16,126.12 : x
  2. Step 2: Convert to fraction form
    18,488.08/25,546.08 = 16,126.12/x
  3. Step 3: Cross multiply
    18,488.08x = 25,546.08 × 16,126.12
  4. Step 4: Simplify right side
    18,488.08x = 411,959,151.61
  5. Step 5: Solve for x
    x = 411,959,151.61/18,488.08
  6. Step 6: Final answer
    x = 22,282.42

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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.