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Finding the Fourth Proportional to 60,177.72, 82,969.86 and 38,629.44

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Solution

The fourth proportional to 60,177.72, 82,969.86 and 38,629.44 is: 53,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,177.72 : 82,969.86 = 38,629.44 : x
  2. Step 2: Convert to fraction form
    60,177.72/82,969.86 = 38,629.44/x
  3. Step 3: Cross multiply
    60,177.72x = 82,969.86 × 38,629.44
  4. Step 4: Simplify right side
    60,177.72x = 3,205,079,228.68
  5. Step 5: Solve for x
    x = 3,205,079,228.68/60,177.72
  6. Step 6: Final answer
    x = 53,260.23

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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.