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Finding the Fourth Proportional to 2,695.79, 4,043.69 and 2,329.47

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Solution

The fourth proportional to 2,695.79, 4,043.69 and 2,329.47 is: 3,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.79 : 4,043.69 = 2,329.47 : x
  2. Step 2: Convert to fraction form
    2,695.79/4,043.69 = 2,329.47/x
  3. Step 3: Cross multiply
    2,695.79x = 4,043.69 × 2,329.47
  4. Step 4: Simplify right side
    2,695.79x = 9,419,642.90
  5. Step 5: Solve for x
    x = 9,419,642.90/2,695.79
  6. Step 6: Final answer
    x = 3,494.21

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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.