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Finding the Fourth Proportional to 6,691.55, 10,037.19 and 2,011.58

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Solution

The fourth proportional to 6,691.55, 10,037.19 and 2,011.58 is: 3,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.55 : 10,037.19 = 2,011.58 : x
  2. Step 2: Convert to fraction form
    6,691.55/10,037.19 = 2,011.58/x
  3. Step 3: Cross multiply
    6,691.55x = 10,037.19 × 2,011.58
  4. Step 4: Simplify right side
    6,691.55x = 20,190,610.66
  5. Step 5: Solve for x
    x = 20,190,610.66/6,691.55
  6. Step 6: Final answer
    x = 3,017.33

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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.