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Finding the Fourth Proportional to 14,327.20, 19,770.54 and 7,953.29

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Solution

The fourth proportional to 14,327.20, 19,770.54 and 7,953.29 is: 10,974.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.20 : 19,770.54 = 7,953.29 : x
  2. Step 2: Convert to fraction form
    14,327.20/19,770.54 = 7,953.29/x
  3. Step 3: Cross multiply
    14,327.20x = 19,770.54 × 7,953.29
  4. Step 4: Simplify right side
    14,327.20x = 157,240,838.08
  5. Step 5: Solve for x
    x = 157,240,838.08/14,327.20
  6. Step 6: Final answer
    x = 10,974.99

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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.