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Finding the Fourth Proportional to 34,819.80, 52,143.30 and 27,907.80

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Solution

The fourth proportional to 34,819.80, 52,143.30 and 27,907.80 is: 41,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,819.80 : 52,143.30 = 27,907.80 : x
  2. Step 2: Convert to fraction form
    34,819.80/52,143.30 = 27,907.80/x
  3. Step 3: Cross multiply
    34,819.80x = 52,143.30 × 27,907.80
  4. Step 4: Simplify right side
    34,819.80x = 1,455,204,787.74
  5. Step 5: Solve for x
    x = 1,455,204,787.74/34,819.80
  6. Step 6: Final answer
    x = 41,792.45

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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.