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Finding the Fourth Proportional to 34,188.92, 51,114.79 and 28,982.04

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Solution

The fourth proportional to 34,188.92, 51,114.79 and 28,982.04 is: 43,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,188.92 : 51,114.79 = 28,982.04 : x
  2. Step 2: Convert to fraction form
    34,188.92/51,114.79 = 28,982.04/x
  3. Step 3: Cross multiply
    34,188.92x = 51,114.79 × 28,982.04
  4. Step 4: Simplify right side
    34,188.92x = 1,481,410,732.92
  5. Step 5: Solve for x
    x = 1,481,410,732.92/34,188.92
  6. Step 6: Final answer
    x = 43,330.14

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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.