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Finding the Fourth Proportional to 6,834.94, 9,432.21 and 3,691.13

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Solution

The fourth proportional to 6,834.94, 9,432.21 and 3,691.13 is: 5,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.94 : 9,432.21 = 3,691.13 : x
  2. Step 2: Convert to fraction form
    6,834.94/9,432.21 = 3,691.13/x
  3. Step 3: Cross multiply
    6,834.94x = 9,432.21 × 3,691.13
  4. Step 4: Simplify right side
    6,834.94x = 34,815,479.98
  5. Step 5: Solve for x
    x = 34,815,479.98/6,834.94
  6. Step 6: Final answer
    x = 5,093.75

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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.