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Finding the Fourth Proportional to 26,710.88, 40,027.36 and 15,027.36

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Solution

The fourth proportional to 26,710.88, 40,027.36 and 15,027.36 is: 22,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,710.88 : 40,027.36 = 15,027.36 : x
  2. Step 2: Convert to fraction form
    26,710.88/40,027.36 = 15,027.36/x
  3. Step 3: Cross multiply
    26,710.88x = 40,027.36 × 15,027.36
  4. Step 4: Simplify right side
    26,710.88x = 601,505,548.57
  5. Step 5: Solve for x
    x = 601,505,548.57/26,710.88
  6. Step 6: Final answer
    x = 22,519.12

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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.