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Finding the Fourth Proportional to 10,266.82, 14,168.19 and 5,551.09

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Solution

The fourth proportional to 10,266.82, 14,168.19 and 5,551.09 is: 7,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.82 : 14,168.19 = 5,551.09 : x
  2. Step 2: Convert to fraction form
    10,266.82/14,168.19 = 5,551.09/x
  3. Step 3: Cross multiply
    10,266.82x = 14,168.19 × 5,551.09
  4. Step 4: Simplify right side
    10,266.82x = 78,648,897.83
  5. Step 5: Solve for x
    x = 78,648,897.83/10,266.82
  6. Step 6: Final answer
    x = 7,660.49

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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.