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Finding the Fourth Proportional to 31,859.39, 43,966.01 and 17,712.24

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Solution

The fourth proportional to 31,859.39, 43,966.01 and 17,712.24 is: 24,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,859.39 : 43,966.01 = 17,712.24 : x
  2. Step 2: Convert to fraction form
    31,859.39/43,966.01 = 17,712.24/x
  3. Step 3: Cross multiply
    31,859.39x = 43,966.01 × 17,712.24
  4. Step 4: Simplify right side
    31,859.39x = 778,736,432.40
  5. Step 5: Solve for x
    x = 778,736,432.40/31,859.39
  6. Step 6: Final answer
    x = 24,442.92

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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.