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Finding the Fourth Proportional to 18,704.75, 25,846.76 and 17,793.59

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Solution

The fourth proportional to 18,704.75, 25,846.76 and 17,793.59 is: 24,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.75 : 25,846.76 = 17,793.59 : x
  2. Step 2: Convert to fraction form
    18,704.75/25,846.76 = 17,793.59/x
  3. Step 3: Cross multiply
    18,704.75x = 25,846.76 × 17,793.59
  4. Step 4: Simplify right side
    18,704.75x = 459,906,565.52
  5. Step 5: Solve for x
    x = 459,906,565.52/18,704.75
  6. Step 6: Final answer
    x = 24,587.70

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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.