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Finding the Fourth Proportional to 31,248.45, 43,122.51 and 17,101.13

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Solution

The fourth proportional to 31,248.45, 43,122.51 and 17,101.13 is: 23,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.45 : 43,122.51 = 17,101.13 : x
  2. Step 2: Convert to fraction form
    31,248.45/43,122.51 = 17,101.13/x
  3. Step 3: Cross multiply
    31,248.45x = 43,122.51 × 17,101.13
  4. Step 4: Simplify right side
    31,248.45x = 737,443,433.82
  5. Step 5: Solve for x
    x = 737,443,433.82/31,248.45
  6. Step 6: Final answer
    x = 23,599.36

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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.