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Finding the Fourth Proportional to 29,471.91, 44,207.46 and 12,831.59

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Solution

The fourth proportional to 29,471.91, 44,207.46 and 12,831.59 is: 19,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,471.91 : 44,207.46 = 12,831.59 : x
  2. Step 2: Convert to fraction form
    29,471.91/44,207.46 = 12,831.59/x
  3. Step 3: Cross multiply
    29,471.91x = 44,207.46 × 12,831.59
  4. Step 4: Simplify right side
    29,471.91x = 567,251,780.62
  5. Step 5: Solve for x
    x = 567,251,780.62/29,471.91
  6. Step 6: Final answer
    x = 19,247.20

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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.