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Finding the Fourth Proportional to 17,759.66, 26,637.66 and 11,165.85

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Solution

The fourth proportional to 17,759.66, 26,637.66 and 11,165.85 is: 16,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.66 : 26,637.66 = 11,165.85 : x
  2. Step 2: Convert to fraction form
    17,759.66/26,637.66 = 11,165.85/x
  3. Step 3: Cross multiply
    17,759.66x = 26,637.66 × 11,165.85
  4. Step 4: Simplify right side
    17,759.66x = 297,432,115.91
  5. Step 5: Solve for x
    x = 297,432,115.91/17,759.66
  6. Step 6: Final answer
    x = 16,747.63

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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.