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Finding the Fourth Proportional to 31,411.63, 43,348.94 and 17,265.39

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Solution

The fourth proportional to 31,411.63, 43,348.94 and 17,265.39 is: 23,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.63 : 43,348.94 = 17,265.39 : x
  2. Step 2: Convert to fraction form
    31,411.63/43,348.94 = 17,265.39/x
  3. Step 3: Cross multiply
    31,411.63x = 43,348.94 × 17,265.39
  4. Step 4: Simplify right side
    31,411.63x = 748,436,355.19
  5. Step 5: Solve for x
    x = 748,436,355.19/31,411.63
  6. Step 6: Final answer
    x = 23,826.73

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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.