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Finding the Fourth Proportional to 29,891.40, 44,843.00 and 8,831.81

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Solution

The fourth proportional to 29,891.40, 44,843.00 and 8,831.81 is: 13,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,891.40 : 44,843.00 = 8,831.81 : x
  2. Step 2: Convert to fraction form
    29,891.40/44,843.00 = 8,831.81/x
  3. Step 3: Cross multiply
    29,891.40x = 44,843.00 × 8,831.81
  4. Step 4: Simplify right side
    29,891.40x = 396,044,587.46
  5. Step 5: Solve for x
    x = 396,044,587.46/29,891.40
  6. Step 6: Final answer
    x = 13,249.45

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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.