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Finding the Fourth Proportional to 6,082.70, 9,124.05 and 5,280.80

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Solution

The fourth proportional to 6,082.70, 9,124.05 and 5,280.80 is: 7,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,082.70 : 9,124.05 = 5,280.80 : x
  2. Step 2: Convert to fraction form
    6,082.70/9,124.05 = 5,280.80/x
  3. Step 3: Cross multiply
    6,082.70x = 9,124.05 × 5,280.80
  4. Step 4: Simplify right side
    6,082.70x = 48,182,283.24
  5. Step 5: Solve for x
    x = 48,182,283.24/6,082.70
  6. Step 6: Final answer
    x = 7,921.20

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Similar ratio
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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.