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Finding the Fourth Proportional to 52,945.80, 79,451.60 and 32,994.45

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Solution

The fourth proportional to 52,945.80, 79,451.60 and 32,994.45 is: 49,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,945.80 : 79,451.60 = 32,994.45 : x
  2. Step 2: Convert to fraction form
    52,945.80/79,451.60 = 32,994.45/x
  3. Step 3: Cross multiply
    52,945.80x = 79,451.60 × 32,994.45
  4. Step 4: Simplify right side
    52,945.80x = 2,621,461,843.62
  5. Step 5: Solve for x
    x = 2,621,461,843.62/52,945.80
  6. Step 6: Final answer
    x = 49,512.18

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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.