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Finding the Fourth Proportional to 27,997.11, 41,990.81 and 9,529.11

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Solution

The fourth proportional to 27,997.11, 41,990.81 and 9,529.11 is: 14,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,997.11 : 41,990.81 = 9,529.11 : x
  2. Step 2: Convert to fraction form
    27,997.11/41,990.81 = 9,529.11/x
  3. Step 3: Cross multiply
    27,997.11x = 41,990.81 × 9,529.11
  4. Step 4: Simplify right side
    27,997.11x = 400,134,999.83
  5. Step 5: Solve for x
    x = 400,134,999.83/27,997.11
  6. Step 6: Final answer
    x = 14,292.01

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1.5x scale

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.