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Finding the Fourth Proportional to 68,441.71, 94,448.56 and 38,227.47

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Solution

The fourth proportional to 68,441.71, 94,448.56 and 38,227.47 is: 52,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,441.71 : 94,448.56 = 38,227.47 : x
  2. Step 2: Convert to fraction form
    68,441.71/94,448.56 = 38,227.47/x
  3. Step 3: Cross multiply
    68,441.71x = 94,448.56 × 38,227.47
  4. Step 4: Simplify right side
    68,441.71x = 3,610,529,273.99
  5. Step 5: Solve for x
    x = 3,610,529,273.99/68,441.71
  6. Step 6: Final answer
    x = 52,753.35

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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.