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Finding the Fourth Proportional to 29,580.49, 40,829.11 and 17,644.33

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Solution

The fourth proportional to 29,580.49, 40,829.11 and 17,644.33 is: 24,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,580.49 : 40,829.11 = 17,644.33 : x
  2. Step 2: Convert to fraction form
    29,580.49/40,829.11 = 17,644.33/x
  3. Step 3: Cross multiply
    29,580.49x = 40,829.11 × 17,644.33
  4. Step 4: Simplify right side
    29,580.49x = 720,402,396.62
  5. Step 5: Solve for x
    x = 720,402,396.62/29,580.49
  6. Step 6: Final answer
    x = 24,353.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.