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Finding the Fourth Proportional to 52,952.88, 79,388.28 and 27,989.04

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Solution

The fourth proportional to 52,952.88, 79,388.28 and 27,989.04 is: 41,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,952.88 : 79,388.28 = 27,989.04 : x
  2. Step 2: Convert to fraction form
    52,952.88/79,388.28 = 27,989.04/x
  3. Step 3: Cross multiply
    52,952.88x = 79,388.28 × 27,989.04
  4. Step 4: Simplify right side
    52,952.88x = 2,222,001,744.45
  5. Step 5: Solve for x
    x = 2,222,001,744.45/52,952.88
  6. Step 6: Final answer
    x = 41,961.87

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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.