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Finding the Fourth Proportional to 62,272.79, 85,936.79 and 33,979.09

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Solution

The fourth proportional to 62,272.79, 85,936.79 and 33,979.09 is: 46,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,272.79 : 85,936.79 = 33,979.09 : x
  2. Step 2: Convert to fraction form
    62,272.79/85,936.79 = 33,979.09/x
  3. Step 3: Cross multiply
    62,272.79x = 85,936.79 × 33,979.09
  4. Step 4: Simplify right side
    62,272.79x = 2,920,053,921.72
  5. Step 5: Solve for x
    x = 2,920,053,921.72/62,272.79
  6. Step 6: Final answer
    x = 46,891.33

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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.