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Finding the Fourth Proportional to 68,806.56, 94,954.14 and 38,598.60

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Solution

The fourth proportional to 68,806.56, 94,954.14 and 38,598.60 is: 53,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,806.56 : 94,954.14 = 38,598.60 : x
  2. Step 2: Convert to fraction form
    68,806.56/94,954.14 = 38,598.60/x
  3. Step 3: Cross multiply
    68,806.56x = 94,954.14 × 38,598.60
  4. Step 4: Simplify right side
    68,806.56x = 3,665,096,868.20
  5. Step 5: Solve for x
    x = 3,665,096,868.20/68,806.56
  6. Step 6: Final answer
    x = 53,266.68

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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.