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Finding the Fourth Proportional to 6,679.80, 9,257.04 and 6,585.84

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Solution

The fourth proportional to 6,679.80, 9,257.04 and 6,585.84 is: 9,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.80 : 9,257.04 = 6,585.84 : x
  2. Step 2: Convert to fraction form
    6,679.80/9,257.04 = 6,585.84/x
  3. Step 3: Cross multiply
    6,679.80x = 9,257.04 × 6,585.84
  4. Step 4: Simplify right side
    6,679.80x = 60,965,384.31
  5. Step 5: Solve for x
    x = 60,965,384.31/6,679.80
  6. Step 6: Final answer
    x = 9,126.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.