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Finding the Fourth Proportional to 29,408.74, 44,120.55 and 12,764.74

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Solution

The fourth proportional to 29,408.74, 44,120.55 and 12,764.74 is: 19,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,408.74 : 44,120.55 = 12,764.74 : x
  2. Step 2: Convert to fraction form
    29,408.74/44,120.55 = 12,764.74/x
  3. Step 3: Cross multiply
    29,408.74x = 44,120.55 × 12,764.74
  4. Step 4: Simplify right side
    29,408.74x = 563,187,349.41
  5. Step 5: Solve for x
    x = 563,187,349.41/29,408.74
  6. Step 6: Final answer
    x = 19,150.34

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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.