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Finding the Fourth Proportional to 14,266.65, 21,403.62 and 5,499.21

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Solution

The fourth proportional to 14,266.65, 21,403.62 and 5,499.21 is: 8,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.65 : 21,403.62 = 5,499.21 : x
  2. Step 2: Convert to fraction form
    14,266.65/21,403.62 = 5,499.21/x
  3. Step 3: Cross multiply
    14,266.65x = 21,403.62 × 5,499.21
  4. Step 4: Simplify right side
    14,266.65x = 117,703,001.14
  5. Step 5: Solve for x
    x = 117,703,001.14/14,266.65
  6. Step 6: Final answer
    x = 8,250.22

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Why These Related Problems?

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