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Finding the Fourth Proportional to 68,446.92, 94,455.75 and 38,232.69

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Solution

The fourth proportional to 68,446.92, 94,455.75 and 38,232.69 is: 52,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,446.92 : 94,455.75 = 38,232.69 : x
  2. Step 2: Convert to fraction form
    68,446.92/94,455.75 = 38,232.69/x
  3. Step 3: Cross multiply
    68,446.92x = 94,455.75 × 38,232.69
  4. Step 4: Simplify right side
    68,446.92x = 3,611,297,408.47
  5. Step 5: Solve for x
    x = 3,611,297,408.47/68,446.92
  6. Step 6: Final answer
    x = 52,760.55

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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.