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Finding the Fourth Proportional to 6,593.67, 9,891.18 and 2,211.21

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Solution

The fourth proportional to 6,593.67, 9,891.18 and 2,211.21 is: 3,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,593.67 : 9,891.18 = 2,211.21 : x
  2. Step 2: Convert to fraction form
    6,593.67/9,891.18 = 2,211.21/x
  3. Step 3: Cross multiply
    6,593.67x = 9,891.18 × 2,211.21
  4. Step 4: Simplify right side
    6,593.67x = 21,871,476.13
  5. Step 5: Solve for x
    x = 21,871,476.13/6,593.67
  6. Step 6: Final answer
    x = 3,317.04

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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.