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Finding the Fourth Proportional to 7,600.80, 11,401.08 and 6,299.52

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Solution

The fourth proportional to 7,600.80, 11,401.08 and 6,299.52 is: 9,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.80 : 11,401.08 = 6,299.52 : x
  2. Step 2: Convert to fraction form
    7,600.80/11,401.08 = 6,299.52/x
  3. Step 3: Cross multiply
    7,600.80x = 11,401.08 × 6,299.52
  4. Step 4: Simplify right side
    7,600.80x = 71,821,331.48
  5. Step 5: Solve for x
    x = 71,821,331.48/7,600.80
  6. Step 6: Final answer
    x = 9,449.18

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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.