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Finding the Fourth Proportional to 22,486.40, 33,723.71 and 6,687.17

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Solution

The fourth proportional to 22,486.40, 33,723.71 and 6,687.17 is: 10,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.40 : 33,723.71 = 6,687.17 : x
  2. Step 2: Convert to fraction form
    22,486.40/33,723.71 = 6,687.17/x
  3. Step 3: Cross multiply
    22,486.40x = 33,723.71 × 6,687.17
  4. Step 4: Simplify right side
    22,486.40x = 225,516,282.83
  5. Step 5: Solve for x
    x = 225,516,282.83/22,486.40
  6. Step 6: Final answer
    x = 10,029.01

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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.