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Finding the Fourth Proportional to 3,273.10, 4,909.65 and 1,973.90

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Solution

The fourth proportional to 3,273.10, 4,909.65 and 1,973.90 is: 2,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.10 : 4,909.65 = 1,973.90 : x
  2. Step 2: Convert to fraction form
    3,273.10/4,909.65 = 1,973.90/x
  3. Step 3: Cross multiply
    3,273.10x = 4,909.65 × 1,973.90
  4. Step 4: Simplify right side
    3,273.10x = 9,691,158.14
  5. Step 5: Solve for x
    x = 9,691,158.14/3,273.10
  6. Step 6: Final answer
    x = 2,960.85

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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.