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Finding the Fourth Proportional to 61,096.56, 91,659.18 and 18,974.46

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Solution

The fourth proportional to 61,096.56, 91,659.18 and 18,974.46 is: 28,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,096.56 : 91,659.18 = 18,974.46 : x
  2. Step 2: Convert to fraction form
    61,096.56/91,659.18 = 18,974.46/x
  3. Step 3: Cross multiply
    61,096.56x = 91,659.18 × 18,974.46
  4. Step 4: Simplify right side
    61,096.56x = 1,739,183,444.54
  5. Step 5: Solve for x
    x = 1,739,183,444.54/61,096.56
  6. Step 6: Final answer
    x = 28,466.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.