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Finding the Fourth Proportional to 31,989.96, 44,146.08 and 17,841.96

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Solution

The fourth proportional to 31,989.96, 44,146.08 and 17,841.96 is: 24,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.96 : 44,146.08 = 17,841.96 : x
  2. Step 2: Convert to fraction form
    31,989.96/44,146.08 = 17,841.96/x
  3. Step 3: Cross multiply
    31,989.96x = 44,146.08 × 17,841.96
  4. Step 4: Simplify right side
    31,989.96x = 787,652,593.52
  5. Step 5: Solve for x
    x = 787,652,593.52/31,989.96
  6. Step 6: Final answer
    x = 24,621.87

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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.