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Finding the Fourth Proportional to 44,993.63, 67,490.78 and 15,411.75

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Solution

The fourth proportional to 44,993.63, 67,490.78 and 15,411.75 is: 23,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,993.63 : 67,490.78 = 15,411.75 : x
  2. Step 2: Convert to fraction form
    44,993.63/67,490.78 = 15,411.75/x
  3. Step 3: Cross multiply
    44,993.63x = 67,490.78 × 15,411.75
  4. Step 4: Simplify right side
    44,993.63x = 1,040,150,951.61
  5. Step 5: Solve for x
    x = 1,040,150,951.61/44,993.63
  6. Step 6: Final answer
    x = 23,117.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.