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Finding the Fourth Proportional to 5,672.25, 8,488.29 and 4,187.97

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Solution

The fourth proportional to 5,672.25, 8,488.29 and 4,187.97 is: 6,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.25 : 8,488.29 = 4,187.97 : x
  2. Step 2: Convert to fraction form
    5,672.25/8,488.29 = 4,187.97/x
  3. Step 3: Cross multiply
    5,672.25x = 8,488.29 × 4,187.97
  4. Step 4: Simplify right side
    5,672.25x = 35,548,703.87
  5. Step 5: Solve for x
    x = 35,548,703.87/5,672.25
  6. Step 6: Final answer
    x = 6,267.13

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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.