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Finding the Fourth Proportional to 17,831.52, 26,691.24 and 12,252.24

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Solution

The fourth proportional to 17,831.52, 26,691.24 and 12,252.24 is: 18,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,831.52 : 26,691.24 = 12,252.24 : x
  2. Step 2: Convert to fraction form
    17,831.52/26,691.24 = 12,252.24/x
  3. Step 3: Cross multiply
    17,831.52x = 26,691.24 × 12,252.24
  4. Step 4: Simplify right side
    17,831.52x = 327,027,478.38
  5. Step 5: Solve for x
    x = 327,027,478.38/17,831.52
  6. Step 6: Final answer
    x = 18,339.85

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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.