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Finding the Fourth Proportional to 68,029.78, 93,882.22 and 37,404.17

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Solution

The fourth proportional to 68,029.78, 93,882.22 and 37,404.17 is: 51,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,029.78 : 93,882.22 = 37,404.17 : x
  2. Step 2: Convert to fraction form
    68,029.78/93,882.22 = 37,404.17/x
  3. Step 3: Cross multiply
    68,029.78x = 93,882.22 × 37,404.17
  4. Step 4: Simplify right side
    68,029.78x = 3,511,586,106.59
  5. Step 5: Solve for x
    x = 3,511,586,106.59/68,029.78
  6. Step 6: Final answer
    x = 51,618.37

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1.5x scale

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.