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Finding the Fourth Proportional to 14,031.86, 19,363.96 and 7,744.24

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Solution

The fourth proportional to 14,031.86, 19,363.96 and 7,744.24 is: 10,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.86 : 19,363.96 = 7,744.24 : x
  2. Step 2: Convert to fraction form
    14,031.86/19,363.96 = 7,744.24/x
  3. Step 3: Cross multiply
    14,031.86x = 19,363.96 × 7,744.24
  4. Step 4: Simplify right side
    14,031.86x = 149,959,153.59
  5. Step 5: Solve for x
    x = 149,959,153.59/14,031.86
  6. Step 6: Final answer
    x = 10,687.05

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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.