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Finding the Fourth Proportional to 6,040.40, 9,082.20 and 5,910.80

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Solution

The fourth proportional to 6,040.40, 9,082.20 and 5,910.80 is: 8,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,040.40 : 9,082.20 = 5,910.80 : x
  2. Step 2: Convert to fraction form
    6,040.40/9,082.20 = 5,910.80/x
  3. Step 3: Cross multiply
    6,040.40x = 9,082.20 × 5,910.80
  4. Step 4: Simplify right side
    6,040.40x = 53,683,067.76
  5. Step 5: Solve for x
    x = 53,683,067.76/6,040.40
  6. Step 6: Final answer
    x = 8,887.34

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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.