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Finding the Fourth Proportional to 17,757.15, 26,631.11 and 5,274.24

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Solution

The fourth proportional to 17,757.15, 26,631.11 and 5,274.24 is: 7,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.15 : 26,631.11 = 5,274.24 : x
  2. Step 2: Convert to fraction form
    17,757.15/26,631.11 = 5,274.24/x
  3. Step 3: Cross multiply
    17,757.15x = 26,631.11 × 5,274.24
  4. Step 4: Simplify right side
    17,757.15x = 140,458,865.61
  5. Step 5: Solve for x
    x = 140,458,865.61/17,757.15
  6. Step 6: Final answer
    x = 7,909.99

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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.