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Finding the Fourth Proportional to 5,860.81, 8,791.17 and 3,899.17

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Solution

The fourth proportional to 5,860.81, 8,791.17 and 3,899.17 is: 5,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.81 : 8,791.17 = 3,899.17 : x
  2. Step 2: Convert to fraction form
    5,860.81/8,791.17 = 3,899.17/x
  3. Step 3: Cross multiply
    5,860.81x = 8,791.17 × 3,899.17
  4. Step 4: Simplify right side
    5,860.81x = 34,278,266.33
  5. Step 5: Solve for x
    x = 34,278,266.33/5,860.81
  6. Step 6: Final answer
    x = 5,848.73

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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.