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Finding the Fourth Proportional to 57,633.75, 79,600.19 and 38,738.07

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Solution

The fourth proportional to 57,633.75, 79,600.19 and 38,738.07 is: 53,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,633.75 : 79,600.19 = 38,738.07 : x
  2. Step 2: Convert to fraction form
    57,633.75/79,600.19 = 38,738.07/x
  3. Step 3: Cross multiply
    57,633.75x = 79,600.19 × 38,738.07
  4. Step 4: Simplify right side
    57,633.75x = 3,083,557,538.54
  5. Step 5: Solve for x
    x = 3,083,557,538.54/57,633.75
  6. Step 6: Final answer
    x = 53,502.64

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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.