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Finding the Fourth Proportional to 5,959.78, 8,223.12 and 3,601.87

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Solution

The fourth proportional to 5,959.78, 8,223.12 and 3,601.87 is: 4,969.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959.78 : 8,223.12 = 3,601.87 : x
  2. Step 2: Convert to fraction form
    5,959.78/8,223.12 = 3,601.87/x
  3. Step 3: Cross multiply
    5,959.78x = 8,223.12 × 3,601.87
  4. Step 4: Simplify right side
    5,959.78x = 29,618,588.68
  5. Step 5: Solve for x
    x = 29,618,588.68/5,959.78
  6. Step 6: Final answer
    x = 4,969.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.