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Finding the Fourth Proportional to 14,266.65, 21,398.36 and 5,500.83

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Solution

The fourth proportional to 14,266.65, 21,398.36 and 5,500.83 is: 8,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.65 : 21,398.36 = 5,500.83 : x
  2. Step 2: Convert to fraction form
    14,266.65/21,398.36 = 5,500.83/x
  3. Step 3: Cross multiply
    14,266.65x = 21,398.36 × 5,500.83
  4. Step 4: Simplify right side
    14,266.65x = 117,708,713.13
  5. Step 5: Solve for x
    x = 117,708,713.13/14,266.65
  6. Step 6: Final answer
    x = 8,250.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.