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Finding the Fourth Proportional to 5,918.26, 8,870.49 and 4,452.70

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Solution

The fourth proportional to 5,918.26, 8,870.49 and 4,452.70 is: 6,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.26 : 8,870.49 = 4,452.70 : x
  2. Step 2: Convert to fraction form
    5,918.26/8,870.49 = 4,452.70/x
  3. Step 3: Cross multiply
    5,918.26x = 8,870.49 × 4,452.70
  4. Step 4: Simplify right side
    5,918.26x = 39,497,630.82
  5. Step 5: Solve for x
    x = 39,497,630.82/5,918.26
  6. Step 6: Final answer
    x = 6,673.86

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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.