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Finding the Fourth Proportional to 68,057.07, 93,918.75 and 38,249.07

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Solution

The fourth proportional to 68,057.07, 93,918.75 and 38,249.07 is: 52,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,057.07 : 93,918.75 = 38,249.07 : x
  2. Step 2: Convert to fraction form
    68,057.07/93,918.75 = 38,249.07/x
  3. Step 3: Cross multiply
    68,057.07x = 93,918.75 × 38,249.07
  4. Step 4: Simplify right side
    68,057.07x = 3,592,304,843.06
  5. Step 5: Solve for x
    x = 3,592,304,843.06/68,057.07
  6. Step 6: Final answer
    x = 52,783.71

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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.