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Finding the Fourth Proportional to 17,952.98, 26,902.13 and 12,326.99

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Solution

The fourth proportional to 17,952.98, 26,902.13 and 12,326.99 is: 18,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,952.98 : 26,902.13 = 12,326.99 : x
  2. Step 2: Convert to fraction form
    17,952.98/26,902.13 = 12,326.99/x
  3. Step 3: Cross multiply
    17,952.98x = 26,902.13 × 12,326.99
  4. Step 4: Simplify right side
    17,952.98x = 331,622,091.34
  5. Step 5: Solve for x
    x = 331,622,091.34/17,952.98
  6. Step 6: Final answer
    x = 18,471.71

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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.