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Finding the Fourth Proportional to 62,635.78, 86,442.78 and 34,346.92

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Solution

The fourth proportional to 62,635.78, 86,442.78 and 34,346.92 is: 47,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,635.78 : 86,442.78 = 34,346.92 : x
  2. Step 2: Convert to fraction form
    62,635.78/86,442.78 = 34,346.92/x
  3. Step 3: Cross multiply
    62,635.78x = 86,442.78 × 34,346.92
  4. Step 4: Simplify right side
    62,635.78x = 2,969,043,249.24
  5. Step 5: Solve for x
    x = 2,969,043,249.24/62,635.78
  6. Step 6: Final answer
    x = 47,401.71

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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.