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Finding the Fourth Proportional to 68,086.02, 93,951.51 and 37,866.48

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Solution

The fourth proportional to 68,086.02, 93,951.51 and 37,866.48 is: 52,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,086.02 : 93,951.51 = 37,866.48 : x
  2. Step 2: Convert to fraction form
    68,086.02/93,951.51 = 37,866.48/x
  3. Step 3: Cross multiply
    68,086.02x = 93,951.51 × 37,866.48
  4. Step 4: Simplify right side
    68,086.02x = 3,557,612,974.38
  5. Step 5: Solve for x
    x = 3,557,612,974.38/68,086.02
  6. Step 6: Final answer
    x = 52,251.74

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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.