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Finding the Fourth Proportional to 18,424.00, 27,641.38 and 5,943.74

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Solution

The fourth proportional to 18,424.00, 27,641.38 and 5,943.74 is: 8,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.00 : 27,641.38 = 5,943.74 : x
  2. Step 2: Convert to fraction form
    18,424.00/27,641.38 = 5,943.74/x
  3. Step 3: Cross multiply
    18,424.00x = 27,641.38 × 5,943.74
  4. Step 4: Simplify right side
    18,424.00x = 164,293,230.21
  5. Step 5: Solve for x
    x = 164,293,230.21/18,424.00
  6. Step 6: Final answer
    x = 8,917.35

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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.