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Finding the Fourth Proportional to 29,096.80, 43,677.60 and 15,974.80

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Solution

The fourth proportional to 29,096.80, 43,677.60 and 15,974.80 is: 23,979.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,096.80 : 43,677.60 = 15,974.80 : x
  2. Step 2: Convert to fraction form
    29,096.80/43,677.60 = 15,974.80/x
  3. Step 3: Cross multiply
    29,096.80x = 43,677.60 × 15,974.80
  4. Step 4: Simplify right side
    29,096.80x = 697,740,924.48
  5. Step 5: Solve for x
    x = 697,740,924.48/29,096.80
  6. Step 6: Final answer
    x = 23,979.99

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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.