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Finding the Fourth Proportional to 52,490.97, 78,781.95 and 27,548.64

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Solution

The fourth proportional to 52,490.97, 78,781.95 and 27,548.64 is: 41,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.97 : 78,781.95 = 27,548.64 : x
  2. Step 2: Convert to fraction form
    52,490.97/78,781.95 = 27,548.64/x
  3. Step 3: Cross multiply
    52,490.97x = 78,781.95 × 27,548.64
  4. Step 4: Simplify right side
    52,490.97x = 2,170,335,579.05
  5. Step 5: Solve for x
    x = 2,170,335,579.05/52,490.97
  6. Step 6: Final answer
    x = 41,346.84

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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.