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Finding the Fourth Proportional to 40,051.80, 60,107.10 and 17,879.73

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Solution

The fourth proportional to 40,051.80, 60,107.10 and 17,879.73 is: 26,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.80 : 60,107.10 = 17,879.73 : x
  2. Step 2: Convert to fraction form
    40,051.80/60,107.10 = 17,879.73/x
  3. Step 3: Cross multiply
    40,051.80x = 60,107.10 × 17,879.73
  4. Step 4: Simplify right side
    40,051.80x = 1,074,698,719.08
  5. Step 5: Solve for x
    x = 1,074,698,719.08/40,051.80
  6. Step 6: Final answer
    x = 26,832.72

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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.