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Finding the Fourth Proportional to 2,759.48, 4,139.18 and 1,004.48

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Solution

The fourth proportional to 2,759.48, 4,139.18 and 1,004.48 is: 1,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.48 : 4,139.18 = 1,004.48 : x
  2. Step 2: Convert to fraction form
    2,759.48/4,139.18 = 1,004.48/x
  3. Step 3: Cross multiply
    2,759.48x = 4,139.18 × 1,004.48
  4. Step 4: Simplify right side
    2,759.48x = 4,157,723.53
  5. Step 5: Solve for x
    x = 4,157,723.53/2,759.48
  6. Step 6: Final answer
    x = 1,506.71

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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.