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Finding the Fourth Proportional to 68,549.44, 94,592.06 and 39,869.36

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Solution

The fourth proportional to 68,549.44, 94,592.06 and 39,869.36 is: 55,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,549.44 : 94,592.06 = 39,869.36 : x
  2. Step 2: Convert to fraction form
    68,549.44/94,592.06 = 39,869.36/x
  3. Step 3: Cross multiply
    68,549.44x = 94,592.06 × 39,869.36
  4. Step 4: Simplify right side
    68,549.44x = 3,771,324,893.28
  5. Step 5: Solve for x
    x = 3,771,324,893.28/68,549.44
  6. Step 6: Final answer
    x = 55,016.13

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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.