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Finding the Fourth Proportional to 14,022.55, 19,351.05 and 7,649.04

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Solution

The fourth proportional to 14,022.55, 19,351.05 and 7,649.04 is: 10,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.55 : 19,351.05 = 7,649.04 : x
  2. Step 2: Convert to fraction form
    14,022.55/19,351.05 = 7,649.04/x
  3. Step 3: Cross multiply
    14,022.55x = 19,351.05 × 7,649.04
  4. Step 4: Simplify right side
    14,022.55x = 148,016,917.25
  5. Step 5: Solve for x
    x = 148,016,917.25/14,022.55
  6. Step 6: Final answer
    x = 10,555.63

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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.