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Finding the Fourth Proportional to 37,411.89, 51,627.87 and 21,280.95

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Solution

The fourth proportional to 37,411.89, 51,627.87 and 21,280.95 is: 29,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,411.89 : 51,627.87 = 21,280.95 : x
  2. Step 2: Convert to fraction form
    37,411.89/51,627.87 = 21,280.95/x
  3. Step 3: Cross multiply
    37,411.89x = 51,627.87 × 21,280.95
  4. Step 4: Simplify right side
    37,411.89x = 1,098,690,120.08
  5. Step 5: Solve for x
    x = 1,098,690,120.08/37,411.89
  6. Step 6: Final answer
    x = 29,367.40

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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.