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Finding the Fourth Proportional to 48,057.67, 71,986.05 and 38,646.88

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Solution

The fourth proportional to 48,057.67, 71,986.05 and 38,646.88 is: 57,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,057.67 : 71,986.05 = 38,646.88 : x
  2. Step 2: Convert to fraction form
    48,057.67/71,986.05 = 38,646.88/x
  3. Step 3: Cross multiply
    48,057.67x = 71,986.05 × 38,646.88
  4. Step 4: Simplify right side
    48,057.67x = 2,782,036,236.02
  5. Step 5: Solve for x
    x = 2,782,036,236.02/48,057.67
  6. Step 6: Final answer
    x = 57,889.54

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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.