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Finding the Fourth Proportional to 4,979.43, 7,470.44 and 1,469.30

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Solution

The fourth proportional to 4,979.43, 7,470.44 and 1,469.30 is: 2,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.43 : 7,470.44 = 1,469.30 : x
  2. Step 2: Convert to fraction form
    4,979.43/7,470.44 = 1,469.30/x
  3. Step 3: Cross multiply
    4,979.43x = 7,470.44 × 1,469.30
  4. Step 4: Simplify right side
    4,979.43x = 10,976,300.81
  5. Step 5: Solve for x
    x = 10,976,300.81/4,979.43
  6. Step 6: Final answer
    x = 2,204.33

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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.