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Finding the Fourth Proportional to 14,039.82, 19,375.05 and 7,752.20

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Solution

The fourth proportional to 14,039.82, 19,375.05 and 7,752.20 is: 10,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.82 : 19,375.05 = 7,752.20 : x
  2. Step 2: Convert to fraction form
    14,039.82/19,375.05 = 7,752.20/x
  3. Step 3: Cross multiply
    14,039.82x = 19,375.05 × 7,752.20
  4. Step 4: Simplify right side
    14,039.82x = 150,199,165.73
  5. Step 5: Solve for x
    x = 150,199,165.73/14,039.82
  6. Step 6: Final answer
    x = 10,698.08

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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.