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Finding the Fourth Proportional to 3,959.06, 5,939.93 and 1,494.59

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Solution

The fourth proportional to 3,959.06, 5,939.93 and 1,494.59 is: 2,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.06 : 5,939.93 = 1,494.59 : x
  2. Step 2: Convert to fraction form
    3,959.06/5,939.93 = 1,494.59/x
  3. Step 3: Cross multiply
    3,959.06x = 5,939.93 × 1,494.59
  4. Step 4: Simplify right side
    3,959.06x = 8,877,734.02
  5. Step 5: Solve for x
    x = 8,877,734.02/3,959.06
  6. Step 6: Final answer
    x = 2,242.39

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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.