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Finding the Fourth Proportional to 52,652.34, 72,660.13 and 29,991.33

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Solution

The fourth proportional to 52,652.34, 72,660.13 and 29,991.33 is: 41,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,652.34 : 72,660.13 = 29,991.33 : x
  2. Step 2: Convert to fraction form
    52,652.34/72,660.13 = 29,991.33/x
  3. Step 3: Cross multiply
    52,652.34x = 72,660.13 × 29,991.33
  4. Step 4: Simplify right side
    52,652.34x = 2,179,173,498.39
  5. Step 5: Solve for x
    x = 2,179,173,498.39/52,652.34
  6. Step 6: Final answer
    x = 41,387.97

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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.