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Finding the Fourth Proportional to 8,948.56, 13,422.84 and 3,760.24

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Solution

The fourth proportional to 8,948.56, 13,422.84 and 3,760.24 is: 5,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.56 : 13,422.84 = 3,760.24 : x
  2. Step 2: Convert to fraction form
    8,948.56/13,422.84 = 3,760.24/x
  3. Step 3: Cross multiply
    8,948.56x = 13,422.84 × 3,760.24
  4. Step 4: Simplify right side
    8,948.56x = 50,473,099.88
  5. Step 5: Solve for x
    x = 50,473,099.88/8,948.56
  6. Step 6: Final answer
    x = 5,640.36

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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.