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Finding the Fourth Proportional to 57,964.20, 86,816.70 and 44,773.80

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Solution

The fourth proportional to 57,964.20, 86,816.70 and 44,773.80 is: 67,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,964.20 : 86,816.70 = 44,773.80 : x
  2. Step 2: Convert to fraction form
    57,964.20/86,816.70 = 44,773.80/x
  3. Step 3: Cross multiply
    57,964.20x = 86,816.70 × 44,773.80
  4. Step 4: Simplify right side
    57,964.20x = 3,887,113,562.46
  5. Step 5: Solve for x
    x = 3,887,113,562.46/57,964.20
  6. Step 6: Final answer
    x = 67,060.59

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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.