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Finding the Fourth Proportional to 14,055.44, 19,407.68 and 8,685.68

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Solution

The fourth proportional to 14,055.44, 19,407.68 and 8,685.68 is: 11,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.44 : 19,407.68 = 8,685.68 : x
  2. Step 2: Convert to fraction form
    14,055.44/19,407.68 = 8,685.68/x
  3. Step 3: Cross multiply
    14,055.44x = 19,407.68 × 8,685.68
  4. Step 4: Simplify right side
    14,055.44x = 168,568,757.56
  5. Step 5: Solve for x
    x = 168,568,757.56/14,055.44
  6. Step 6: Final answer
    x = 11,993.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.