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Finding the Fourth Proportional to 9,648.80, 14,473.20 and 2,723.30

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Solution

The fourth proportional to 9,648.80, 14,473.20 and 2,723.30 is: 4,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648.80 : 14,473.20 = 2,723.30 : x
  2. Step 2: Convert to fraction form
    9,648.80/14,473.20 = 2,723.30/x
  3. Step 3: Cross multiply
    9,648.80x = 14,473.20 × 2,723.30
  4. Step 4: Simplify right side
    9,648.80x = 39,414,865.56
  5. Step 5: Solve for x
    x = 39,414,865.56/9,648.80
  6. Step 6: Final answer
    x = 4,084.95

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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.