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Finding the Fourth Proportional to 6,691.71, 10,035.57 and 2,011.53

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Solution

The fourth proportional to 6,691.71, 10,035.57 and 2,011.53 is: 3,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.71 : 10,035.57 = 2,011.53 : x
  2. Step 2: Convert to fraction form
    6,691.71/10,035.57 = 2,011.53/x
  3. Step 3: Cross multiply
    6,691.71x = 10,035.57 × 2,011.53
  4. Step 4: Simplify right side
    6,691.71x = 20,186,850.12
  5. Step 5: Solve for x
    x = 20,186,850.12/6,691.71
  6. Step 6: Final answer
    x = 3,016.70

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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.