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Finding the Fourth Proportional to 9,382.62, 12,949.80 and 6,701.10

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Solution

The fourth proportional to 9,382.62, 12,949.80 and 6,701.10 is: 9,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.62 : 12,949.80 = 6,701.10 : x
  2. Step 2: Convert to fraction form
    9,382.62/12,949.80 = 6,701.10/x
  3. Step 3: Cross multiply
    9,382.62x = 12,949.80 × 6,701.10
  4. Step 4: Simplify right side
    9,382.62x = 86,777,904.78
  5. Step 5: Solve for x
    x = 86,777,904.78/9,382.62
  6. Step 6: Final answer
    x = 9,248.79

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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.