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Finding the Fourth Proportional to 25,491.00, 35,183.20 and 14,164.38

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Solution

The fourth proportional to 25,491.00, 35,183.20 and 14,164.38 is: 19,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.00 : 35,183.20 = 14,164.38 : x
  2. Step 2: Convert to fraction form
    25,491.00/35,183.20 = 14,164.38/x
  3. Step 3: Cross multiply
    25,491.00x = 35,183.20 × 14,164.38
  4. Step 4: Simplify right side
    25,491.00x = 498,348,143.59
  5. Step 5: Solve for x
    x = 498,348,143.59/25,491.00
  6. Step 6: Final answer
    x = 19,549.97

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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.