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Finding the Fourth Proportional to 68,029.71, 93,882.13 and 37,404.10

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Solution

The fourth proportional to 68,029.71, 93,882.13 and 37,404.10 is: 51,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,029.71 : 93,882.13 = 37,404.10 : x
  2. Step 2: Convert to fraction form
    68,029.71/93,882.13 = 37,404.10/x
  3. Step 3: Cross multiply
    68,029.71x = 93,882.13 × 37,404.10
  4. Step 4: Simplify right side
    68,029.71x = 3,511,576,971.82
  5. Step 5: Solve for x
    x = 3,511,576,971.82/68,029.71
  6. Step 6: Final answer
    x = 51,618.28

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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.