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Finding the Fourth Proportional to 2,939.04, 4,410.13 and 1,296.75

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Solution

The fourth proportional to 2,939.04, 4,410.13 and 1,296.75 is: 1,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.04 : 4,410.13 = 1,296.75 : x
  2. Step 2: Convert to fraction form
    2,939.04/4,410.13 = 1,296.75/x
  3. Step 3: Cross multiply
    2,939.04x = 4,410.13 × 1,296.75
  4. Step 4: Simplify right side
    2,939.04x = 5,718,836.08
  5. Step 5: Solve for x
    x = 5,718,836.08/2,939.04
  6. Step 6: Final answer
    x = 1,945.82

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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.