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Finding the Fourth Proportional to 3,959.61, 5,939.01 and 1,037.54

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Solution

The fourth proportional to 3,959.61, 5,939.01 and 1,037.54 is: 1,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.61 : 5,939.01 = 1,037.54 : x
  2. Step 2: Convert to fraction form
    3,959.61/5,939.01 = 1,037.54/x
  3. Step 3: Cross multiply
    3,959.61x = 5,939.01 × 1,037.54
  4. Step 4: Simplify right side
    3,959.61x = 6,161,930.74
  5. Step 5: Solve for x
    x = 6,161,930.74/3,959.61
  6. Step 6: Final answer
    x = 1,556.20

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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.