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Finding the Fourth Proportional to 16,773.21, 25,167 and 5,681.07

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Solution

The fourth proportional to 16,773.21, 25,167 and 5,681.07 is: 8,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.21 : 25,167 = 5,681.07 : x
  2. Step 2: Convert to fraction form
    16,773.21/25,167 = 5,681.07/x
  3. Step 3: Cross multiply
    16,773.21x = 25,167 × 5,681.07
  4. Step 4: Simplify right side
    16,773.21x = 142,975,488.69
  5. Step 5: Solve for x
    x = 142,975,488.69/16,773.21
  6. Step 6: Final answer
    x = 8,524.04

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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.