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Finding the Fourth Proportional to 44,947.86, 67,451.89 and 18,652.63

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Solution

The fourth proportional to 44,947.86, 67,451.89 and 18,652.63 is: 27,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,947.86 : 67,451.89 = 18,652.63 : x
  2. Step 2: Convert to fraction form
    44,947.86/67,451.89 = 18,652.63/x
  3. Step 3: Cross multiply
    44,947.86x = 67,451.89 × 18,652.63
  4. Step 4: Simplify right side
    44,947.86x = 1,258,155,146.97
  5. Step 5: Solve for x
    x = 1,258,155,146.97/44,947.86
  6. Step 6: Final answer
    x = 27,991.44

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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.