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Finding the Fourth Proportional to 25,491.50, 35,183.89 and 14,164.88

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Solution

The fourth proportional to 25,491.50, 35,183.89 and 14,164.88 is: 19,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.50 : 35,183.89 = 14,164.88 : x
  2. Step 2: Convert to fraction form
    25,491.50/35,183.89 = 14,164.88/x
  3. Step 3: Cross multiply
    25,491.50x = 35,183.89 × 14,164.88
  4. Step 4: Simplify right side
    25,491.50x = 498,375,508.96
  5. Step 5: Solve for x
    x = 498,375,508.96/25,491.50
  6. Step 6: Final answer
    x = 19,550.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.