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Finding the Fourth Proportional to 54,165.92, 74,745.84 and 29,965.44

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Solution

The fourth proportional to 54,165.92, 74,745.84 and 29,965.44 is: 41,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,165.92 : 74,745.84 = 29,965.44 : x
  2. Step 2: Convert to fraction form
    54,165.92/74,745.84 = 29,965.44/x
  3. Step 3: Cross multiply
    54,165.92x = 74,745.84 × 29,965.44
  4. Step 4: Simplify right side
    54,165.92x = 2,239,791,983.77
  5. Step 5: Solve for x
    x = 2,239,791,983.77/54,165.92
  6. Step 6: Final answer
    x = 41,350.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.