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Finding the Fourth Proportional to 31,990.59, 44,145.81 and 17,843.13

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Solution

The fourth proportional to 31,990.59, 44,145.81 and 17,843.13 is: 24,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.59 : 44,145.81 = 17,843.13 : x
  2. Step 2: Convert to fraction form
    31,990.59/44,145.81 = 17,843.13/x
  3. Step 3: Cross multiply
    31,990.59x = 44,145.81 × 17,843.13
  4. Step 4: Simplify right side
    31,990.59x = 787,699,426.79
  5. Step 5: Solve for x
    x = 787,699,426.79/31,990.59
  6. Step 6: Final answer
    x = 24,622.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.