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Finding the Fourth Proportional to 4,993.35, 7,489.13 and 2,180.66

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Solution

The fourth proportional to 4,993.35, 7,489.13 and 2,180.66 is: 3,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.35 : 7,489.13 = 2,180.66 : x
  2. Step 2: Convert to fraction form
    4,993.35/7,489.13 = 2,180.66/x
  3. Step 3: Cross multiply
    4,993.35x = 7,489.13 × 2,180.66
  4. Step 4: Simplify right side
    4,993.35x = 16,331,254.05
  5. Step 5: Solve for x
    x = 16,331,254.05/4,993.35
  6. Step 6: Final answer
    x = 3,270.60

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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.