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Finding the Fourth Proportional to 3,657.74, 5,486.61 and 2,013.44

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Solution

The fourth proportional to 3,657.74, 5,486.61 and 2,013.44 is: 3,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.74 : 5,486.61 = 2,013.44 : x
  2. Step 2: Convert to fraction form
    3,657.74/5,486.61 = 2,013.44/x
  3. Step 3: Cross multiply
    3,657.74x = 5,486.61 × 2,013.44
  4. Step 4: Simplify right side
    3,657.74x = 11,046,960.04
  5. Step 5: Solve for x
    x = 11,046,960.04/3,657.74
  6. Step 6: Final answer
    x = 3,020.16

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1.5x scale

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.