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Finding the Fourth Proportional to 68,072.77, 93,934.97 and 37,858.15

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Solution

The fourth proportional to 68,072.77, 93,934.97 and 37,858.15 is: 52,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,072.77 : 93,934.97 = 37,858.15 : x
  2. Step 2: Convert to fraction form
    68,072.77/93,934.97 = 37,858.15/x
  3. Step 3: Cross multiply
    68,072.77x = 93,934.97 × 37,858.15
  4. Step 4: Simplify right side
    68,072.77x = 3,556,203,809.48
  5. Step 5: Solve for x
    x = 3,556,203,809.48/68,072.77
  6. Step 6: Final answer
    x = 52,241.21

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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.