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Finding the Fourth Proportional to 34,027.16, 51,040.56 and 8,726.56

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Solution

The fourth proportional to 34,027.16, 51,040.56 and 8,726.56 is: 13,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,027.16 : 51,040.56 = 8,726.56 : x
  2. Step 2: Convert to fraction form
    34,027.16/51,040.56 = 8,726.56/x
  3. Step 3: Cross multiply
    34,027.16x = 51,040.56 × 8,726.56
  4. Step 4: Simplify right side
    34,027.16x = 445,408,521.13
  5. Step 5: Solve for x
    x = 445,408,521.13/34,027.16
  6. Step 6: Final answer
    x = 13,089.80

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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.