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Finding the Fourth Proportional to 18,042.52, 24,906.02 and 15,514.48

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Solution

The fourth proportional to 18,042.52, 24,906.02 and 15,514.48 is: 21,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.52 : 24,906.02 = 15,514.48 : x
  2. Step 2: Convert to fraction form
    18,042.52/24,906.02 = 15,514.48/x
  3. Step 3: Cross multiply
    18,042.52x = 24,906.02 × 15,514.48
  4. Step 4: Simplify right side
    18,042.52x = 386,403,949.17
  5. Step 5: Solve for x
    x = 386,403,949.17/18,042.52
  6. Step 6: Final answer
    x = 21,416.30

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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.