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Finding the Fourth Proportional to 6,695.92, 9,240.24 and 3,711.74

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Solution

The fourth proportional to 6,695.92, 9,240.24 and 3,711.74 is: 5,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,695.92 : 9,240.24 = 3,711.74 : x
  2. Step 2: Convert to fraction form
    6,695.92/9,240.24 = 3,711.74/x
  3. Step 3: Cross multiply
    6,695.92x = 9,240.24 × 3,711.74
  4. Step 4: Simplify right side
    6,695.92x = 34,297,368.42
  5. Step 5: Solve for x
    x = 34,297,368.42/6,695.92
  6. Step 6: Final answer
    x = 5,122.13

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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.