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Finding the Fourth Proportional to 8,948.96, 13,422.41 and 2,375.66

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Solution

The fourth proportional to 8,948.96, 13,422.41 and 2,375.66 is: 3,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.96 : 13,422.41 = 2,375.66 : x
  2. Step 2: Convert to fraction form
    8,948.96/13,422.41 = 2,375.66/x
  3. Step 3: Cross multiply
    8,948.96x = 13,422.41 × 2,375.66
  4. Step 4: Simplify right side
    8,948.96x = 31,887,113.13
  5. Step 5: Solve for x
    x = 31,887,113.13/8,948.96
  6. Step 6: Final answer
    x = 3,563.22

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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.