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Finding the Fourth Proportional to 29,876.76, 44,804.68 and 8,811.22

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Solution

The fourth proportional to 29,876.76, 44,804.68 and 8,811.22 is: 13,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,876.76 : 44,804.68 = 8,811.22 : x
  2. Step 2: Convert to fraction form
    29,876.76/44,804.68 = 8,811.22/x
  3. Step 3: Cross multiply
    29,876.76x = 44,804.68 × 8,811.22
  4. Step 4: Simplify right side
    29,876.76x = 394,783,892.51
  5. Step 5: Solve for x
    x = 394,783,892.51/29,876.76
  6. Step 6: Final answer
    x = 13,213.75

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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.