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Finding the Fourth Proportional to 60,649.70, 83,694.78 and 33,790.56

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Solution

The fourth proportional to 60,649.70, 83,694.78 and 33,790.56 is: 46,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,649.70 : 83,694.78 = 33,790.56 : x
  2. Step 2: Convert to fraction form
    60,649.70/83,694.78 = 33,790.56/x
  3. Step 3: Cross multiply
    60,649.70x = 83,694.78 × 33,790.56
  4. Step 4: Simplify right side
    60,649.70x = 2,828,093,485.28
  5. Step 5: Solve for x
    x = 2,828,093,485.28/60,649.70
  6. Step 6: Final answer
    x = 46,629.97

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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.