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Finding the Fourth Proportional to 8,824.72, 13,238.68 and 7,195.68

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Solution

The fourth proportional to 8,824.72, 13,238.68 and 7,195.68 is: 10,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.72 : 13,238.68 = 7,195.68 : x
  2. Step 2: Convert to fraction form
    8,824.72/13,238.68 = 7,195.68/x
  3. Step 3: Cross multiply
    8,824.72x = 13,238.68 × 7,195.68
  4. Step 4: Simplify right side
    8,824.72x = 95,261,304.90
  5. Step 5: Solve for x
    x = 95,261,304.90/8,824.72
  6. Step 6: Final answer
    x = 10,794.82

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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.