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Finding the Fourth Proportional to 29,575.08, 44,370.60 and 12,936.60

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Solution

The fourth proportional to 29,575.08, 44,370.60 and 12,936.60 is: 19,408.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,575.08 : 44,370.60 = 12,936.60 : x
  2. Step 2: Convert to fraction form
    29,575.08/44,370.60 = 12,936.60/x
  3. Step 3: Cross multiply
    29,575.08x = 44,370.60 × 12,936.60
  4. Step 4: Simplify right side
    29,575.08x = 574,004,703.96
  5. Step 5: Solve for x
    x = 574,004,703.96/29,575.08
  6. Step 6: Final answer
    x = 19,408.39

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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.