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Finding the Fourth Proportional to 52,949.70, 79,329.78 and 35,366.22

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Solution

The fourth proportional to 52,949.70, 79,329.78 and 35,366.22 is: 52,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,949.70 : 79,329.78 = 35,366.22 : x
  2. Step 2: Convert to fraction form
    52,949.70/79,329.78 = 35,366.22/x
  3. Step 3: Cross multiply
    52,949.70x = 79,329.78 × 35,366.22
  4. Step 4: Simplify right side
    52,949.70x = 2,805,594,452.03
  5. Step 5: Solve for x
    x = 2,805,594,452.03/52,949.70
  6. Step 6: Final answer
    x = 52,986.03

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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.