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Finding the Fourth Proportional to 17,103.54, 25,645.08 and 5,854.86

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Solution

The fourth proportional to 17,103.54, 25,645.08 and 5,854.86 is: 8,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,103.54 : 25,645.08 = 5,854.86 : x
  2. Step 2: Convert to fraction form
    17,103.54/25,645.08 = 5,854.86/x
  3. Step 3: Cross multiply
    17,103.54x = 25,645.08 × 5,854.86
  4. Step 4: Simplify right side
    17,103.54x = 150,148,353.09
  5. Step 5: Solve for x
    x = 150,148,353.09/17,103.54
  6. Step 6: Final answer
    x = 8,778.79

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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.