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Finding the Fourth Proportional to 2,735.92, 4,103.96 and 1,069.98

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Solution

The fourth proportional to 2,735.92, 4,103.96 and 1,069.98 is: 1,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.92 : 4,103.96 = 1,069.98 : x
  2. Step 2: Convert to fraction form
    2,735.92/4,103.96 = 1,069.98/x
  3. Step 3: Cross multiply
    2,735.92x = 4,103.96 × 1,069.98
  4. Step 4: Simplify right side
    2,735.92x = 4,391,138.39
  5. Step 5: Solve for x
    x = 4,391,138.39/2,735.92
  6. Step 6: Final answer
    x = 1,605.00

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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.