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Finding the Fourth Proportional to 18,467.52, 27,711.36 and 10,691.52

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Solution

The fourth proportional to 18,467.52, 27,711.36 and 10,691.52 is: 16,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.52 : 27,711.36 = 10,691.52 : x
  2. Step 2: Convert to fraction form
    18,467.52/27,711.36 = 10,691.52/x
  3. Step 3: Cross multiply
    18,467.52x = 27,711.36 × 10,691.52
  4. Step 4: Simplify right side
    18,467.52x = 296,276,559.67
  5. Step 5: Solve for x
    x = 296,276,559.67/18,467.52
  6. Step 6: Final answer
    x = 16,043.12

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1.5x scale

Why These Related Problems?

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