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Finding the Fourth Proportional to 8,997.80, 13,494.96 and 2,756.24

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Solution

The fourth proportional to 8,997.80, 13,494.96 and 2,756.24 is: 4,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.80 : 13,494.96 = 2,756.24 : x
  2. Step 2: Convert to fraction form
    8,997.80/13,494.96 = 2,756.24/x
  3. Step 3: Cross multiply
    8,997.80x = 13,494.96 × 2,756.24
  4. Step 4: Simplify right side
    8,997.80x = 37,195,348.55
  5. Step 5: Solve for x
    x = 37,195,348.55/8,997.80
  6. Step 6: Final answer
    x = 4,133.83

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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.