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Finding the Fourth Proportional to 6,277.91, 9,377.08 and 5,918.04

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Solution

The fourth proportional to 6,277.91, 9,377.08 and 5,918.04 is: 8,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.91 : 9,377.08 = 5,918.04 : x
  2. Step 2: Convert to fraction form
    6,277.91/9,377.08 = 5,918.04/x
  3. Step 3: Cross multiply
    6,277.91x = 9,377.08 × 5,918.04
  4. Step 4: Simplify right side
    6,277.91x = 55,493,919.73
  5. Step 5: Solve for x
    x = 55,493,919.73/6,277.91
  6. Step 6: Final answer
    x = 8,839.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.