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Finding the Fourth Proportional to 8,377.52, 12,566.36 and 3,445.22

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Solution

The fourth proportional to 8,377.52, 12,566.36 and 3,445.22 is: 5,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.52 : 12,566.36 = 3,445.22 : x
  2. Step 2: Convert to fraction form
    8,377.52/12,566.36 = 3,445.22/x
  3. Step 3: Cross multiply
    8,377.52x = 12,566.36 × 3,445.22
  4. Step 4: Simplify right side
    8,377.52x = 43,293,888.99
  5. Step 5: Solve for x
    x = 43,293,888.99/8,377.52
  6. Step 6: Final answer
    x = 5,167.87

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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.