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Finding the Fourth Proportional to 8,948.75, 13,422.08 and 2,375.44

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Solution

The fourth proportional to 8,948.75, 13,422.08 and 2,375.44 is: 3,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.75 : 13,422.08 = 2,375.44 : x
  2. Step 2: Convert to fraction form
    8,948.75/13,422.08 = 2,375.44/x
  3. Step 3: Cross multiply
    8,948.75x = 13,422.08 × 2,375.44
  4. Step 4: Simplify right side
    8,948.75x = 31,883,393.08
  5. Step 5: Solve for x
    x = 31,883,393.08/8,948.75
  6. Step 6: Final answer
    x = 3,562.89

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1.5x scale

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.