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Finding the Fourth Proportional to 3,297.59, 4,939.98 and 2,947.07

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Solution

The fourth proportional to 3,297.59, 4,939.98 and 2,947.07 is: 4,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.59 : 4,939.98 = 2,947.07 : x
  2. Step 2: Convert to fraction form
    3,297.59/4,939.98 = 2,947.07/x
  3. Step 3: Cross multiply
    3,297.59x = 4,939.98 × 2,947.07
  4. Step 4: Simplify right side
    3,297.59x = 14,558,466.86
  5. Step 5: Solve for x
    x = 14,558,466.86/3,297.59
  6. Step 6: Final answer
    x = 4,414.88

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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.