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Finding the Fourth Proportional to 6,799.40, 10,179.90 and 6,108.20

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Solution

The fourth proportional to 6,799.40, 10,179.90 and 6,108.20 is: 9,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.40 : 10,179.90 = 6,108.20 : x
  2. Step 2: Convert to fraction form
    6,799.40/10,179.90 = 6,108.20/x
  3. Step 3: Cross multiply
    6,799.40x = 10,179.90 × 6,108.20
  4. Step 4: Simplify right side
    6,799.40x = 62,180,865.18
  5. Step 5: Solve for x
    x = 62,180,865.18/6,799.40
  6. Step 6: Final answer
    x = 9,145.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.