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Finding the Fourth Proportional to 29,631.06, 44,446.50 and 9,905.10

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Solution

The fourth proportional to 29,631.06, 44,446.50 and 9,905.10 is: 14,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,631.06 : 44,446.50 = 9,905.10 : x
  2. Step 2: Convert to fraction form
    29,631.06/44,446.50 = 9,905.10/x
  3. Step 3: Cross multiply
    29,631.06x = 44,446.50 × 9,905.10
  4. Step 4: Simplify right side
    29,631.06x = 440,247,027.15
  5. Step 5: Solve for x
    x = 440,247,027.15/29,631.06
  6. Step 6: Final answer
    x = 14,857.62

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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.