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Finding the Fourth Proportional to 68,953.28, 95,149.69 and 38,736.23

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Solution

The fourth proportional to 68,953.28, 95,149.69 and 38,736.23 is: 53,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,953.28 : 95,149.69 = 38,736.23 : x
  2. Step 2: Convert to fraction form
    68,953.28/95,149.69 = 38,736.23/x
  3. Step 3: Cross multiply
    68,953.28x = 95,149.69 × 38,736.23
  4. Step 4: Simplify right side
    68,953.28x = 3,685,739,703.68
  5. Step 5: Solve for x
    x = 3,685,739,703.68/68,953.28
  6. Step 6: Final answer
    x = 53,452.71

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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.