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Finding the Fourth Proportional to 31,866.18, 43,974.17 and 17,525.90

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Solution

The fourth proportional to 31,866.18, 43,974.17 and 17,525.90 is: 24,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.18 : 43,974.17 = 17,525.90 : x
  2. Step 2: Convert to fraction form
    31,866.18/43,974.17 = 17,525.90/x
  3. Step 3: Cross multiply
    31,866.18x = 43,974.17 × 17,525.90
  4. Step 4: Simplify right side
    31,866.18x = 770,686,598.50
  5. Step 5: Solve for x
    x = 770,686,598.50/31,866.18
  6. Step 6: Final answer
    x = 24,185.10

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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.