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Finding the Fourth Proportional to 6,751.20, 10,111.14 and 6,517.59

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Solution

The fourth proportional to 6,751.20, 10,111.14 and 6,517.59 is: 9,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.20 : 10,111.14 = 6,517.59 : x
  2. Step 2: Convert to fraction form
    6,751.20/10,111.14 = 6,517.59/x
  3. Step 3: Cross multiply
    6,751.20x = 10,111.14 × 6,517.59
  4. Step 4: Simplify right side
    6,751.20x = 65,900,264.95
  5. Step 5: Solve for x
    x = 65,900,264.95/6,751.20
  6. Step 6: Final answer
    x = 9,761.27

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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.