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Finding the Fourth Proportional to 6,760.52, 9,315.46 and 6,318.92

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Solution

The fourth proportional to 6,760.52, 9,315.46 and 6,318.92 is: 8,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.52 : 9,315.46 = 6,318.92 : x
  2. Step 2: Convert to fraction form
    6,760.52/9,315.46 = 6,318.92/x
  3. Step 3: Cross multiply
    6,760.52x = 9,315.46 × 6,318.92
  4. Step 4: Simplify right side
    6,760.52x = 58,863,646.50
  5. Step 5: Solve for x
    x = 58,863,646.50/6,760.52
  6. Step 6: Final answer
    x = 8,706.97

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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.