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Finding the Fourth Proportional to 68,863.02, 95,032.86 and 38,650.22

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Solution

The fourth proportional to 68,863.02, 95,032.86 and 38,650.22 is: 53,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,863.02 : 95,032.86 = 38,650.22 : x
  2. Step 2: Convert to fraction form
    68,863.02/95,032.86 = 38,650.22/x
  3. Step 3: Cross multiply
    68,863.02x = 95,032.86 × 38,650.22
  4. Step 4: Simplify right side
    68,863.02x = 3,673,040,946.23
  5. Step 5: Solve for x
    x = 3,673,040,946.23/68,863.02
  6. Step 6: Final answer
    x = 53,338.37

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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.