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Finding the Fourth Proportional to 68,867.31, 95,035.64 and 38,650.26

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Solution

The fourth proportional to 68,867.31, 95,035.64 and 38,650.26 is: 53,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,867.31 : 95,035.64 = 38,650.26 : x
  2. Step 2: Convert to fraction form
    68,867.31/95,035.64 = 38,650.26/x
  3. Step 3: Cross multiply
    68,867.31x = 95,035.64 × 38,650.26
  4. Step 4: Simplify right side
    68,867.31x = 3,673,152,195.27
  5. Step 5: Solve for x
    x = 3,673,152,195.27/68,867.31
  6. Step 6: Final answer
    x = 53,336.66

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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.