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Finding the Fourth Proportional to 52,994.70, 73,132.56 and 30,333.78

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Solution

The fourth proportional to 52,994.70, 73,132.56 and 30,333.78 is: 41,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,994.70 : 73,132.56 = 30,333.78 : x
  2. Step 2: Convert to fraction form
    52,994.70/73,132.56 = 30,333.78/x
  3. Step 3: Cross multiply
    52,994.70x = 73,132.56 × 30,333.78
  4. Step 4: Simplify right side
    52,994.70x = 2,218,386,985.88
  5. Step 5: Solve for x
    x = 2,218,386,985.88/52,994.70
  6. Step 6: Final answer
    x = 41,860.54

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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.