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Finding the Fourth Proportional to 29,086.76, 43,627.70 and 11,551.88

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Solution

The fourth proportional to 29,086.76, 43,627.70 and 11,551.88 is: 17,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.76 : 43,627.70 = 11,551.88 : x
  2. Step 2: Convert to fraction form
    29,086.76/43,627.70 = 11,551.88/x
  3. Step 3: Cross multiply
    29,086.76x = 43,627.70 × 11,551.88
  4. Step 4: Simplify right side
    29,086.76x = 503,981,897.32
  5. Step 5: Solve for x
    x = 503,981,897.32/29,086.76
  6. Step 6: Final answer
    x = 17,326.85

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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.