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Finding the Fourth Proportional to 52,643.61, 78,912.21 and 22,677.39

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Solution

The fourth proportional to 52,643.61, 78,912.21 and 22,677.39 is: 33,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,643.61 : 78,912.21 = 22,677.39 : x
  2. Step 2: Convert to fraction form
    52,643.61/78,912.21 = 22,677.39/x
  3. Step 3: Cross multiply
    52,643.61x = 78,912.21 × 22,677.39
  4. Step 4: Simplify right side
    52,643.61x = 1,789,522,961.93
  5. Step 5: Solve for x
    x = 1,789,522,961.93/52,643.61
  6. Step 6: Final answer
    x = 33,993.17

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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.