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Finding the Fourth Proportional to 29,754.60, 44,631.86 and 12,212.07

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Solution

The fourth proportional to 29,754.60, 44,631.86 and 12,212.07 is: 18,318.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,754.60 : 44,631.86 = 12,212.07 : x
  2. Step 2: Convert to fraction form
    29,754.60/44,631.86 = 12,212.07/x
  3. Step 3: Cross multiply
    29,754.60x = 44,631.86 × 12,212.07
  4. Step 4: Simplify right side
    29,754.60x = 545,047,337.49
  5. Step 5: Solve for x
    x = 545,047,337.49/29,754.60
  6. Step 6: Final answer
    x = 18,318.09

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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.