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Finding the Fourth Proportional to 63,710.72, 95,158.67 and 57,697.85

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Solution

The fourth proportional to 63,710.72, 95,158.67 and 57,697.85 is: 86,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,710.72 : 95,158.67 = 57,697.85 : x
  2. Step 2: Convert to fraction form
    63,710.72/95,158.67 = 57,697.85/x
  3. Step 3: Cross multiply
    63,710.72x = 95,158.67 × 57,697.85
  4. Step 4: Simplify right side
    63,710.72x = 5,490,449,903.58
  5. Step 5: Solve for x
    x = 5,490,449,903.58/63,710.72
  6. Step 6: Final answer
    x = 86,177.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.