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Finding the Fourth Proportional to 17,074.10, 25,611.15 and 15,543.20

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Solution

The fourth proportional to 17,074.10, 25,611.15 and 15,543.20 is: 23,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,074.10 : 25,611.15 = 15,543.20 : x
  2. Step 2: Convert to fraction form
    17,074.10/25,611.15 = 15,543.20/x
  3. Step 3: Cross multiply
    17,074.10x = 25,611.15 × 15,543.20
  4. Step 4: Simplify right side
    17,074.10x = 398,079,226.68
  5. Step 5: Solve for x
    x = 398,079,226.68/17,074.10
  6. Step 6: Final answer
    x = 23,314.80

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Similar ratio
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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.