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Finding the Fourth Proportional to 27,192.44, 40,785 and 10,551

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Solution

The fourth proportional to 27,192.44, 40,785 and 10,551 is: 15,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.44 : 40,785 = 10,551 : x
  2. Step 2: Convert to fraction form
    27,192.44/40,785 = 10,551/x
  3. Step 3: Cross multiply
    27,192.44x = 40,785 × 10,551
  4. Step 4: Simplify right side
    27,192.44x = 430,322,535
  5. Step 5: Solve for x
    x = 430,322,535/27,192.44
  6. Step 6: Final answer
    x = 15,825.08

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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.