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Finding the Fourth Proportional to 34,961.92, 48,247.78 and 19,854.89

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Solution

The fourth proportional to 34,961.92, 48,247.78 and 19,854.89 is: 27,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,961.92 : 48,247.78 = 19,854.89 : x
  2. Step 2: Convert to fraction form
    34,961.92/48,247.78 = 19,854.89/x
  3. Step 3: Cross multiply
    34,961.92x = 48,247.78 × 19,854.89
  4. Step 4: Simplify right side
    34,961.92x = 957,954,435.63
  5. Step 5: Solve for x
    x = 957,954,435.63/34,961.92
  6. Step 6: Final answer
    x = 27,399.94

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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.