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Finding the Fourth Proportional to 12,809.10, 19,213.64 and 4,044.76

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Solution

The fourth proportional to 12,809.10, 19,213.64 and 4,044.76 is: 6,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809.10 : 19,213.64 = 4,044.76 : x
  2. Step 2: Convert to fraction form
    12,809.10/19,213.64 = 4,044.76/x
  3. Step 3: Cross multiply
    12,809.10x = 19,213.64 × 4,044.76
  4. Step 4: Simplify right side
    12,809.10x = 77,714,562.53
  5. Step 5: Solve for x
    x = 77,714,562.53/12,809.10
  6. Step 6: Final answer
    x = 6,067.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.