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Finding the Fourth Proportional to 29,486.22, 44,229.06 and 11,951.88

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Solution

The fourth proportional to 29,486.22, 44,229.06 and 11,951.88 is: 17,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486.22 : 44,229.06 = 11,951.88 : x
  2. Step 2: Convert to fraction form
    29,486.22/44,229.06 = 11,951.88/x
  3. Step 3: Cross multiply
    29,486.22x = 44,229.06 × 11,951.88
  4. Step 4: Simplify right side
    29,486.22x = 528,620,417.63
  5. Step 5: Solve for x
    x = 528,620,417.63/29,486.22
  6. Step 6: Final answer
    x = 17,927.71

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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.