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Finding the Fourth Proportional to 6,306.67, 8,703.12 and 3,512.17

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Solution

The fourth proportional to 6,306.67, 8,703.12 and 3,512.17 is: 4,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.67 : 8,703.12 = 3,512.17 : x
  2. Step 2: Convert to fraction form
    6,306.67/8,703.12 = 3,512.17/x
  3. Step 3: Cross multiply
    6,306.67x = 8,703.12 × 3,512.17
  4. Step 4: Simplify right side
    6,306.67x = 30,566,836.97
  5. Step 5: Solve for x
    x = 30,566,836.97/6,306.67
  6. Step 6: Final answer
    x = 4,846.75

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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.