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Finding the Fourth Proportional to 29,603.66, 44,408.21 and 8,543.43

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Solution

The fourth proportional to 29,603.66, 44,408.21 and 8,543.43 is: 12,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,603.66 : 44,408.21 = 8,543.43 : x
  2. Step 2: Convert to fraction form
    29,603.66/44,408.21 = 8,543.43/x
  3. Step 3: Cross multiply
    29,603.66x = 44,408.21 × 8,543.43
  4. Step 4: Simplify right side
    29,603.66x = 379,398,390.84
  5. Step 5: Solve for x
    x = 379,398,390.84/29,603.66
  6. Step 6: Final answer
    x = 12,815.93

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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.