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Finding the Fourth Proportional to 17,253.38, 25,903.77 and 8,939.14

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Solution

The fourth proportional to 17,253.38, 25,903.77 and 8,939.14 is: 13,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,253.38 : 25,903.77 = 8,939.14 : x
  2. Step 2: Convert to fraction form
    17,253.38/25,903.77 = 8,939.14/x
  3. Step 3: Cross multiply
    17,253.38x = 25,903.77 × 8,939.14
  4. Step 4: Simplify right side
    17,253.38x = 231,557,426.56
  5. Step 5: Solve for x
    x = 231,557,426.56/17,253.38
  6. Step 6: Final answer
    x = 13,420.99

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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.