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Finding the Fourth Proportional to 68,424.93, 94,424.58 and 38,209.41

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Solution

The fourth proportional to 68,424.93, 94,424.58 and 38,209.41 is: 52,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,424.93 : 94,424.58 = 38,209.41 : x
  2. Step 2: Convert to fraction form
    68,424.93/94,424.58 = 38,209.41/x
  3. Step 3: Cross multiply
    68,424.93x = 94,424.58 × 38,209.41
  4. Step 4: Simplify right side
    68,424.93x = 3,607,907,491.30
  5. Step 5: Solve for x
    x = 3,607,907,491.30/68,424.93
  6. Step 6: Final answer
    x = 52,727.97

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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.