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Finding the Fourth Proportional to 15,183.65, 22,754.06 and 7,169.87

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Solution

The fourth proportional to 15,183.65, 22,754.06 and 7,169.87 is: 10,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.65 : 22,754.06 = 7,169.87 : x
  2. Step 2: Convert to fraction form
    15,183.65/22,754.06 = 7,169.87/x
  3. Step 3: Cross multiply
    15,183.65x = 22,754.06 × 7,169.87
  4. Step 4: Simplify right side
    15,183.65x = 163,143,612.43
  5. Step 5: Solve for x
    x = 163,143,612.43/15,183.65
  6. Step 6: Final answer
    x = 10,744.69

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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.