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Finding the Fourth Proportional to 6,375.41, 8,799.10 and 5,311.48

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Solution

The fourth proportional to 6,375.41, 8,799.10 and 5,311.48 is: 7,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.41 : 8,799.10 = 5,311.48 : x
  2. Step 2: Convert to fraction form
    6,375.41/8,799.10 = 5,311.48/x
  3. Step 3: Cross multiply
    6,375.41x = 8,799.10 × 5,311.48
  4. Step 4: Simplify right side
    6,375.41x = 46,736,299.36
  5. Step 5: Solve for x
    x = 46,736,299.36/6,375.41
  6. Step 6: Final answer
    x = 7,330.72

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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.