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Finding the Fourth Proportional to 19,773.80, 29,671.62 and 8,095.22

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Solution

The fourth proportional to 19,773.80, 29,671.62 and 8,095.22 is: 12,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.80 : 29,671.62 = 8,095.22 : x
  2. Step 2: Convert to fraction form
    19,773.80/29,671.62 = 8,095.22/x
  3. Step 3: Cross multiply
    19,773.80x = 29,671.62 × 8,095.22
  4. Step 4: Simplify right side
    19,773.80x = 240,198,291.66
  5. Step 5: Solve for x
    x = 240,198,291.66/19,773.80
  6. Step 6: Final answer
    x = 12,147.30

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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.