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Finding the Fourth Proportional to 17,513.70, 26,248.59 and 8,751.12

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Solution

The fourth proportional to 17,513.70, 26,248.59 and 8,751.12 is: 13,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,513.70 : 26,248.59 = 8,751.12 : x
  2. Step 2: Convert to fraction form
    17,513.70/26,248.59 = 8,751.12/x
  3. Step 3: Cross multiply
    17,513.70x = 26,248.59 × 8,751.12
  4. Step 4: Simplify right side
    17,513.70x = 229,704,560.92
  5. Step 5: Solve for x
    x = 229,704,560.92/17,513.70
  6. Step 6: Final answer
    x = 13,115.71

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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.