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Finding the Fourth Proportional to 41,993.76, 57,947.52 and 23,126.40

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Solution

The fourth proportional to 41,993.76, 57,947.52 and 23,126.40 is: 31,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,993.76 : 57,947.52 = 23,126.40 : x
  2. Step 2: Convert to fraction form
    41,993.76/57,947.52 = 23,126.40/x
  3. Step 3: Cross multiply
    41,993.76x = 57,947.52 × 23,126.40
  4. Step 4: Simplify right side
    41,993.76x = 1,340,117,526.53
  5. Step 5: Solve for x
    x = 1,340,117,526.53/41,993.76
  6. Step 6: Final answer
    x = 31,912.30

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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.