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Finding the Fourth Proportional to 8,798.75, 13,198.30 and 3,249.23

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Solution

The fourth proportional to 8,798.75, 13,198.30 and 3,249.23 is: 4,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.75 : 13,198.30 = 3,249.23 : x
  2. Step 2: Convert to fraction form
    8,798.75/13,198.30 = 3,249.23/x
  3. Step 3: Cross multiply
    8,798.75x = 13,198.30 × 3,249.23
  4. Step 4: Simplify right side
    8,798.75x = 42,884,337.18
  5. Step 5: Solve for x
    x = 42,884,337.18/8,798.75
  6. Step 6: Final answer
    x = 4,873.92

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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.