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Finding the Fourth Proportional to 5,561.88, 8,340.02 and 2,049.42

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Solution

The fourth proportional to 5,561.88, 8,340.02 and 2,049.42 is: 3,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.88 : 8,340.02 = 2,049.42 : x
  2. Step 2: Convert to fraction form
    5,561.88/8,340.02 = 2,049.42/x
  3. Step 3: Cross multiply
    5,561.88x = 8,340.02 × 2,049.42
  4. Step 4: Simplify right side
    5,561.88x = 17,092,203.79
  5. Step 5: Solve for x
    x = 17,092,203.79/5,561.88
  6. Step 6: Final answer
    x = 3,073.10

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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.