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Finding the Fourth Proportional to 29,086.84, 43,631.86 and 9,363.96

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Solution

The fourth proportional to 29,086.84, 43,631.86 and 9,363.96 is: 14,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.84 : 43,631.86 = 9,363.96 : x
  2. Step 2: Convert to fraction form
    29,086.84/43,631.86 = 9,363.96/x
  3. Step 3: Cross multiply
    29,086.84x = 43,631.86 × 9,363.96
  4. Step 4: Simplify right side
    29,086.84x = 408,566,991.77
  5. Step 5: Solve for x
    x = 408,566,991.77/29,086.84
  6. Step 6: Final answer
    x = 14,046.46

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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.