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Finding the Fourth Proportional to 52,652.53, 72,660.39 and 29,991.51

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Solution

The fourth proportional to 52,652.53, 72,660.39 and 29,991.51 is: 41,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,652.53 : 72,660.39 = 29,991.51 : x
  2. Step 2: Convert to fraction form
    52,652.53/72,660.39 = 29,991.51/x
  3. Step 3: Cross multiply
    52,652.53x = 72,660.39 × 29,991.51
  4. Step 4: Simplify right side
    52,652.53x = 2,179,194,844.98
  5. Step 5: Solve for x
    x = 2,179,194,844.98/52,652.53
  6. Step 6: Final answer
    x = 41,388.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.