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Finding the Fourth Proportional to 4,489.70, 6,734.55 and 1,202.71

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Solution

The fourth proportional to 4,489.70, 6,734.55 and 1,202.71 is: 1,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.70 : 6,734.55 = 1,202.71 : x
  2. Step 2: Convert to fraction form
    4,489.70/6,734.55 = 1,202.71/x
  3. Step 3: Cross multiply
    4,489.70x = 6,734.55 × 1,202.71
  4. Step 4: Simplify right side
    4,489.70x = 8,099,688.61
  5. Step 5: Solve for x
    x = 8,099,688.61/4,489.70
  6. Step 6: Final answer
    x = 1,804.06

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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.