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Finding the Fourth Proportional to 68,846.94, 95,016.06 and 38,640.42

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Solution

The fourth proportional to 68,846.94, 95,016.06 and 38,640.42 is: 53,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,846.94 : 95,016.06 = 38,640.42 : x
  2. Step 2: Convert to fraction form
    68,846.94/95,016.06 = 38,640.42/x
  3. Step 3: Cross multiply
    68,846.94x = 95,016.06 × 38,640.42
  4. Step 4: Simplify right side
    68,846.94x = 3,671,460,465.15
  5. Step 5: Solve for x
    x = 3,671,460,465.15/68,846.94
  6. Step 6: Final answer
    x = 53,327.87

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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.