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Finding the Fourth Proportional to 19,362.92, 29,044.37 and 15,892.88

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Solution

The fourth proportional to 19,362.92, 29,044.37 and 15,892.88 is: 23,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.92 : 29,044.37 = 15,892.88 : x
  2. Step 2: Convert to fraction form
    19,362.92/29,044.37 = 15,892.88/x
  3. Step 3: Cross multiply
    19,362.92x = 29,044.37 × 15,892.88
  4. Step 4: Simplify right side
    19,362.92x = 461,598,581.60
  5. Step 5: Solve for x
    x = 461,598,581.60/19,362.92
  6. Step 6: Final answer
    x = 23,839.31

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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.