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Finding the Fourth Proportional to 26,422.72, 36,462 and 15,244

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Solution

The fourth proportional to 26,422.72, 36,462 and 15,244 is: 21,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.72 : 36,462 = 15,244 : x
  2. Step 2: Convert to fraction form
    26,422.72/36,462 = 15,244/x
  3. Step 3: Cross multiply
    26,422.72x = 36,462 × 15,244
  4. Step 4: Simplify right side
    26,422.72x = 555,826,728
  5. Step 5: Solve for x
    x = 555,826,728/26,422.72
  6. Step 6: Final answer
    x = 21,035.94

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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.