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Finding the Fourth Proportional to 6,691.80, 10,043.88 and 3,407.26

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Solution

The fourth proportional to 6,691.80, 10,043.88 and 3,407.26 is: 5,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.80 : 10,043.88 = 3,407.26 : x
  2. Step 2: Convert to fraction form
    6,691.80/10,043.88 = 3,407.26/x
  3. Step 3: Cross multiply
    6,691.80x = 10,043.88 × 3,407.26
  4. Step 4: Simplify right side
    6,691.80x = 34,222,110.57
  5. Step 5: Solve for x
    x = 34,222,110.57/6,691.80
  6. Step 6: Final answer
    x = 5,114.04

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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.