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Finding the Fourth Proportional to 27,997.30, 41,983.80 and 9,270.10

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Solution

The fourth proportional to 27,997.30, 41,983.80 and 9,270.10 is: 13,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,997.30 : 41,983.80 = 9,270.10 : x
  2. Step 2: Convert to fraction form
    27,997.30/41,983.80 = 9,270.10/x
  3. Step 3: Cross multiply
    27,997.30x = 41,983.80 × 9,270.10
  4. Step 4: Simplify right side
    27,997.30x = 389,194,024.38
  5. Step 5: Solve for x
    x = 389,194,024.38/27,997.30
  6. Step 6: Final answer
    x = 13,901.13

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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.