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Finding the Fourth Proportional to 29,305.90, 43,961.91 and 8,529.40

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Solution

The fourth proportional to 29,305.90, 43,961.91 and 8,529.40 is: 12,794.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.90 : 43,961.91 = 8,529.40 : x
  2. Step 2: Convert to fraction form
    29,305.90/43,961.91 = 8,529.40/x
  3. Step 3: Cross multiply
    29,305.90x = 43,961.91 × 8,529.40
  4. Step 4: Simplify right side
    29,305.90x = 374,968,715.15
  5. Step 5: Solve for x
    x = 374,968,715.15/29,305.90
  6. Step 6: Final answer
    x = 12,794.99

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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.