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Finding the Fourth Proportional to 61,201.92, 84,462.96 and 33,979.44

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Solution

The fourth proportional to 61,201.92, 84,462.96 and 33,979.44 is: 46,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,201.92 : 84,462.96 = 33,979.44 : x
  2. Step 2: Convert to fraction form
    61,201.92/84,462.96 = 33,979.44/x
  3. Step 3: Cross multiply
    61,201.92x = 84,462.96 × 33,979.44
  4. Step 4: Simplify right side
    61,201.92x = 2,870,004,081.54
  5. Step 5: Solve for x
    x = 2,870,004,081.54/61,201.92
  6. Step 6: Final answer
    x = 46,894.02

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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.