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Finding the Fourth Proportional to 48,660, 72,994.68 and 22,372.08

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Solution

The fourth proportional to 48,660, 72,994.68 and 22,372.08 is: 33,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,660 : 72,994.68 = 22,372.08 : x
  2. Step 2: Convert to fraction form
    48,660/72,994.68 = 22,372.08/x
  3. Step 3: Cross multiply
    48,660x = 72,994.68 × 22,372.08
  4. Step 4: Simplify right side
    48,660x = 1,633,042,820.53
  5. Step 5: Solve for x
    x = 1,633,042,820.53/48,660
  6. Step 6: Final answer
    x = 33,560.27

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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.