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Finding the Fourth Proportional to 74,761.92, 112,142.16 and 24,845.68

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Solution

The fourth proportional to 74,761.92, 112,142.16 and 24,845.68 is: 37,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,761.92 : 112,142.16 = 24,845.68 : x
  2. Step 2: Convert to fraction form
    74,761.92/112,142.16 = 24,845.68/x
  3. Step 3: Cross multiply
    74,761.92x = 112,142.16 × 24,845.68
  4. Step 4: Simplify right side
    74,761.92x = 2,786,248,221.87
  5. Step 5: Solve for x
    x = 2,786,248,221.87/74,761.92
  6. Step 6: Final answer
    x = 37,268.28

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1.5x scale

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.