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Finding the Fourth Proportional to 2,735.69, 4,104.88 and 1,695.42

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Solution

The fourth proportional to 2,735.69, 4,104.88 and 1,695.42 is: 2,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.69 : 4,104.88 = 1,695.42 : x
  2. Step 2: Convert to fraction form
    2,735.69/4,104.88 = 1,695.42/x
  3. Step 3: Cross multiply
    2,735.69x = 4,104.88 × 1,695.42
  4. Step 4: Simplify right side
    2,735.69x = 6,959,466.65
  5. Step 5: Solve for x
    x = 6,959,466.65/2,735.69
  6. Step 6: Final answer
    x = 2,543.95

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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.