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Finding the Fourth Proportional to 68,049.79, 93,910.88 and 37,836.39

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Solution

The fourth proportional to 68,049.79, 93,910.88 and 37,836.39 is: 52,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,049.79 : 93,910.88 = 37,836.39 : x
  2. Step 2: Convert to fraction form
    68,049.79/93,910.88 = 37,836.39/x
  3. Step 3: Cross multiply
    68,049.79x = 93,910.88 × 37,836.39
  4. Step 4: Simplify right side
    68,049.79x = 3,553,248,211.37
  5. Step 5: Solve for x
    x = 3,553,248,211.37/68,049.79
  6. Step 6: Final answer
    x = 52,215.42

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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.