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Finding the Fourth Proportional to 48,441.78, 66,850.11 and 29,322

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Solution

The fourth proportional to 48,441.78, 66,850.11 and 29,322 is: 40,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,441.78 : 66,850.11 = 29,322 : x
  2. Step 2: Convert to fraction form
    48,441.78/66,850.11 = 29,322/x
  3. Step 3: Cross multiply
    48,441.78x = 66,850.11 × 29,322
  4. Step 4: Simplify right side
    48,441.78x = 1,960,178,925.42
  5. Step 5: Solve for x
    x = 1,960,178,925.42/48,441.78
  6. Step 6: Final answer
    x = 40,464.63

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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.