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Finding the Fourth Proportional to 29,851.80, 44,789.82 and 19,190.08

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Solution

The fourth proportional to 29,851.80, 44,789.82 and 19,190.08 is: 28,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,851.80 : 44,789.82 = 19,190.08 : x
  2. Step 2: Convert to fraction form
    29,851.80/44,789.82 = 19,190.08/x
  3. Step 3: Cross multiply
    29,851.80x = 44,789.82 × 19,190.08
  4. Step 4: Simplify right side
    29,851.80x = 859,520,228.99
  5. Step 5: Solve for x
    x = 859,520,228.99/29,851.80
  6. Step 6: Final answer
    x = 28,792.91

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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.