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Finding the Fourth Proportional to 9,169.91, 13,754.96 and 2,929.89

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Solution

The fourth proportional to 9,169.91, 13,754.96 and 2,929.89 is: 4,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.91 : 13,754.96 = 2,929.89 : x
  2. Step 2: Convert to fraction form
    9,169.91/13,754.96 = 2,929.89/x
  3. Step 3: Cross multiply
    9,169.91x = 13,754.96 × 2,929.89
  4. Step 4: Simplify right side
    9,169.91x = 40,300,519.75
  5. Step 5: Solve for x
    x = 40,300,519.75/9,169.91
  6. Step 6: Final answer
    x = 4,394.87

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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.