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Finding the Fourth Proportional to 4,976.32, 7,471.04 and 2,898.24

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Solution

The fourth proportional to 4,976.32, 7,471.04 and 2,898.24 is: 4,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.32 : 7,471.04 = 2,898.24 : x
  2. Step 2: Convert to fraction form
    4,976.32/7,471.04 = 2,898.24/x
  3. Step 3: Cross multiply
    4,976.32x = 7,471.04 × 2,898.24
  4. Step 4: Simplify right side
    4,976.32x = 21,652,866.97
  5. Step 5: Solve for x
    x = 21,652,866.97/4,976.32
  6. Step 6: Final answer
    x = 4,351.18

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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.