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Finding the Fourth Proportional to 6,377.95, 8,800.91 and 3,544.87

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Solution

The fourth proportional to 6,377.95, 8,800.91 and 3,544.87 is: 4,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.95 : 8,800.91 = 3,544.87 : x
  2. Step 2: Convert to fraction form
    6,377.95/8,800.91 = 3,544.87/x
  3. Step 3: Cross multiply
    6,377.95x = 8,800.91 × 3,544.87
  4. Step 4: Simplify right side
    6,377.95x = 31,198,042.11
  5. Step 5: Solve for x
    x = 31,198,042.11/6,377.95
  6. Step 6: Final answer
    x = 4,891.55

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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.