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Finding the Fourth Proportional to 55,691.48, 83,608.53 and 47,844.20

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Solution

The fourth proportional to 55,691.48, 83,608.53 and 47,844.20 is: 71,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,691.48 : 83,608.53 = 47,844.20 : x
  2. Step 2: Convert to fraction form
    55,691.48/83,608.53 = 47,844.20/x
  3. Step 3: Cross multiply
    55,691.48x = 83,608.53 × 47,844.20
  4. Step 4: Simplify right side
    55,691.48x = 4,000,183,231.03
  5. Step 5: Solve for x
    x = 4,000,183,231.03/55,691.48
  6. Step 6: Final answer
    x = 71,827.56

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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.