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Finding the Fourth Proportional to 3,062.54, 4,593.11 and 871.22

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Solution

The fourth proportional to 3,062.54, 4,593.11 and 871.22 is: 1,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.54 : 4,593.11 = 871.22 : x
  2. Step 2: Convert to fraction form
    3,062.54/4,593.11 = 871.22/x
  3. Step 3: Cross multiply
    3,062.54x = 4,593.11 × 871.22
  4. Step 4: Simplify right side
    3,062.54x = 4,001,588.51
  5. Step 5: Solve for x
    x = 4,001,588.51/3,062.54
  6. Step 6: Final answer
    x = 1,306.63

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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.