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Finding the Fourth Proportional to 6,882.77, 10,324.16 and 2,986.88

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Solution

The fourth proportional to 6,882.77, 10,324.16 and 2,986.88 is: 4,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.77 : 10,324.16 = 2,986.88 : x
  2. Step 2: Convert to fraction form
    6,882.77/10,324.16 = 2,986.88/x
  3. Step 3: Cross multiply
    6,882.77x = 10,324.16 × 2,986.88
  4. Step 4: Simplify right side
    6,882.77x = 30,836,971.67
  5. Step 5: Solve for x
    x = 30,836,971.67/6,882.77
  6. Step 6: Final answer
    x = 4,480.31

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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.