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Finding the Fourth Proportional to 3,959.51, 5,939.17 and 1,037.57

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Solution

The fourth proportional to 3,959.51, 5,939.17 and 1,037.57 is: 1,556.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.51 : 5,939.17 = 1,037.57 : x
  2. Step 2: Convert to fraction form
    3,959.51/5,939.17 = 1,037.57/x
  3. Step 3: Cross multiply
    3,959.51x = 5,939.17 × 1,037.57
  4. Step 4: Simplify right side
    3,959.51x = 6,162,272.33
  5. Step 5: Solve for x
    x = 6,162,272.33/3,959.51
  6. Step 6: Final answer
    x = 1,556.32

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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.