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Finding the Fourth Proportional to 7,074.68, 10,608.18 and 3,377.74

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Solution

The fourth proportional to 7,074.68, 10,608.18 and 3,377.74 is: 5,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.68 : 10,608.18 = 3,377.74 : x
  2. Step 2: Convert to fraction form
    7,074.68/10,608.18 = 3,377.74/x
  3. Step 3: Cross multiply
    7,074.68x = 10,608.18 × 3,377.74
  4. Step 4: Simplify right side
    7,074.68x = 35,831,673.91
  5. Step 5: Solve for x
    x = 35,831,673.91/7,074.68
  6. Step 6: Final answer
    x = 5,064.78

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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.