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Finding the Fourth Proportional to 6,263.24, 8,639.96 and 5,082.24

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Solution

The fourth proportional to 6,263.24, 8,639.96 and 5,082.24 is: 7,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.24 : 8,639.96 = 5,082.24 : x
  2. Step 2: Convert to fraction form
    6,263.24/8,639.96 = 5,082.24/x
  3. Step 3: Cross multiply
    6,263.24x = 8,639.96 × 5,082.24
  4. Step 4: Simplify right side
    6,263.24x = 43,910,350.31
  5. Step 5: Solve for x
    x = 43,910,350.31/6,263.24
  6. Step 6: Final answer
    x = 7,010.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.