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Finding the Fourth Proportional to 68,773.33, 94,915.07 and 38,566.81

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Solution

The fourth proportional to 68,773.33, 94,915.07 and 38,566.81 is: 53,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,773.33 : 94,915.07 = 38,566.81 : x
  2. Step 2: Convert to fraction form
    68,773.33/94,915.07 = 38,566.81/x
  3. Step 3: Cross multiply
    68,773.33x = 94,915.07 × 38,566.81
  4. Step 4: Simplify right side
    68,773.33x = 3,660,571,470.83
  5. Step 5: Solve for x
    x = 3,660,571,470.83/68,773.33
  6. Step 6: Final answer
    x = 53,226.61

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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.