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Finding the Fourth Proportional to 68,663.82, 94,764.16 and 38,443.30

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Solution

The fourth proportional to 68,663.82, 94,764.16 and 38,443.30 is: 53,056.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,663.82 : 94,764.16 = 38,443.30 : x
  2. Step 2: Convert to fraction form
    68,663.82/94,764.16 = 38,443.30/x
  3. Step 3: Cross multiply
    68,663.82x = 94,764.16 × 38,443.30
  4. Step 4: Simplify right side
    68,663.82x = 3,643,047,269.04
  5. Step 5: Solve for x
    x = 3,643,047,269.04/68,663.82
  6. Step 6: Final answer
    x = 53,056.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.