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Finding the Fourth Proportional to 4,982.66, 7,472.18 and 1,694.88

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Solution

The fourth proportional to 4,982.66, 7,472.18 and 1,694.88 is: 2,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.66 : 7,472.18 = 1,694.88 : x
  2. Step 2: Convert to fraction form
    4,982.66/7,472.18 = 1,694.88/x
  3. Step 3: Cross multiply
    4,982.66x = 7,472.18 × 1,694.88
  4. Step 4: Simplify right side
    4,982.66x = 12,664,448.44
  5. Step 5: Solve for x
    x = 12,664,448.44/4,982.66
  6. Step 6: Final answer
    x = 2,541.70

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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.