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Finding the Fourth Proportional to 68,072.70, 93,933.14 and 37,853.15

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Solution

The fourth proportional to 68,072.70, 93,933.14 and 37,853.15 is: 52,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,072.70 : 93,933.14 = 37,853.15 : x
  2. Step 2: Convert to fraction form
    68,072.70/93,933.14 = 37,853.15/x
  3. Step 3: Cross multiply
    68,072.70x = 93,933.14 × 37,853.15
  4. Step 4: Simplify right side
    68,072.70x = 3,555,664,792.38
  5. Step 5: Solve for x
    x = 3,555,664,792.38/68,072.70
  6. Step 6: Final answer
    x = 52,233.34

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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.