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Finding the Fourth Proportional to 5,859.49, 8,791.26 and 3,665.61

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Solution

The fourth proportional to 5,859.49, 8,791.26 and 3,665.61 is: 5,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.49 : 8,791.26 = 3,665.61 : x
  2. Step 2: Convert to fraction form
    5,859.49/8,791.26 = 3,665.61/x
  3. Step 3: Cross multiply
    5,859.49x = 8,791.26 × 3,665.61
  4. Step 4: Simplify right side
    5,859.49x = 32,225,330.57
  5. Step 5: Solve for x
    x = 32,225,330.57/5,859.49
  6. Step 6: Final answer
    x = 5,499.68

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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.