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Finding the Fourth Proportional to 54,650.46, 81,978.12 and 26,593.68

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Solution

The fourth proportional to 54,650.46, 81,978.12 and 26,593.68 is: 39,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,650.46 : 81,978.12 = 26,593.68 : x
  2. Step 2: Convert to fraction form
    54,650.46/81,978.12 = 26,593.68/x
  3. Step 3: Cross multiply
    54,650.46x = 81,978.12 × 26,593.68
  4. Step 4: Simplify right side
    54,650.46x = 2,180,099,890.28
  5. Step 5: Solve for x
    x = 2,180,099,890.28/54,650.46
  6. Step 6: Final answer
    x = 39,891.70

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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.