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Finding the Fourth Proportional to 6,881.67, 10,320.41 and 2,201.49

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Solution

The fourth proportional to 6,881.67, 10,320.41 and 2,201.49 is: 3,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.67 : 10,320.41 = 2,201.49 : x
  2. Step 2: Convert to fraction form
    6,881.67/10,320.41 = 2,201.49/x
  3. Step 3: Cross multiply
    6,881.67x = 10,320.41 × 2,201.49
  4. Step 4: Simplify right side
    6,881.67x = 22,720,284.91
  5. Step 5: Solve for x
    x = 22,720,284.91/6,881.67
  6. Step 6: Final answer
    x = 3,301.57

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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.