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Finding the Fourth Proportional to 71,562.64, 107,334.24 and 27,200.56

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Solution

The fourth proportional to 71,562.64, 107,334.24 and 27,200.56 is: 40,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,562.64 : 107,334.24 = 27,200.56 : x
  2. Step 2: Convert to fraction form
    71,562.64/107,334.24 = 27,200.56/x
  3. Step 3: Cross multiply
    71,562.64x = 107,334.24 × 27,200.56
  4. Step 4: Simplify right side
    71,562.64x = 2,919,551,435.17
  5. Step 5: Solve for x
    x = 2,919,551,435.17/71,562.64
  6. Step 6: Final answer
    x = 40,797.15

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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.