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Finding the Fourth Proportional to 4,489.59, 6,194.58 and 2,721.15

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Solution

The fourth proportional to 4,489.59, 6,194.58 and 2,721.15 is: 3,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.59 : 6,194.58 = 2,721.15 : x
  2. Step 2: Convert to fraction form
    4,489.59/6,194.58 = 2,721.15/x
  3. Step 3: Cross multiply
    4,489.59x = 6,194.58 × 2,721.15
  4. Step 4: Simplify right side
    4,489.59x = 16,856,381.37
  5. Step 5: Solve for x
    x = 16,856,381.37/4,489.59
  6. Step 6: Final answer
    x = 3,754.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.