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Finding the Fourth Proportional to 3,608.72, 4,984.13 and 2,427.74

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Solution

The fourth proportional to 3,608.72, 4,984.13 and 2,427.74 is: 3,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.72 : 4,984.13 = 2,427.74 : x
  2. Step 2: Convert to fraction form
    3,608.72/4,984.13 = 2,427.74/x
  3. Step 3: Cross multiply
    3,608.72x = 4,984.13 × 2,427.74
  4. Step 4: Simplify right side
    3,608.72x = 12,100,171.61
  5. Step 5: Solve for x
    x = 12,100,171.61/3,608.72
  6. Step 6: Final answer
    x = 3,353.04

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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.