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Finding the Fourth Proportional to 7,074.56, 10,608.19 and 3,175.63

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Solution

The fourth proportional to 7,074.56, 10,608.19 and 3,175.63 is: 4,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.56 : 10,608.19 = 3,175.63 : x
  2. Step 2: Convert to fraction form
    7,074.56/10,608.19 = 3,175.63/x
  3. Step 3: Cross multiply
    7,074.56x = 10,608.19 × 3,175.63
  4. Step 4: Simplify right side
    7,074.56x = 33,687,686.41
  5. Step 5: Solve for x
    x = 33,687,686.41/7,074.56
  6. Step 6: Final answer
    x = 4,761.81

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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.