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Finding the Fourth Proportional to 52,963.92, 79,329.24 and 35,351.28

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Solution

The fourth proportional to 52,963.92, 79,329.24 and 35,351.28 is: 52,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,963.92 : 79,329.24 = 35,351.28 : x
  2. Step 2: Convert to fraction form
    52,963.92/79,329.24 = 35,351.28/x
  3. Step 3: Cross multiply
    52,963.92x = 79,329.24 × 35,351.28
  4. Step 4: Simplify right side
    52,963.92x = 2,804,390,175.43
  5. Step 5: Solve for x
    x = 2,804,390,175.43/52,963.92
  6. Step 6: Final answer
    x = 52,949.07

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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.