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Finding the Fourth Proportional to 33,129.80, 49,694.70 and 29,904.20

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Solution

The fourth proportional to 33,129.80, 49,694.70 and 29,904.20 is: 44,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.80 : 49,694.70 = 29,904.20 : x
  2. Step 2: Convert to fraction form
    33,129.80/49,694.70 = 29,904.20/x
  3. Step 3: Cross multiply
    33,129.80x = 49,694.70 × 29,904.20
  4. Step 4: Simplify right side
    33,129.80x = 1,486,080,247.74
  5. Step 5: Solve for x
    x = 1,486,080,247.74/33,129.80
  6. Step 6: Final answer
    x = 44,856.30

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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.