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Finding the Fourth Proportional to 29,399.79, 44,105.76 and 9,679.53

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Solution

The fourth proportional to 29,399.79, 44,105.76 and 9,679.53 is: 14,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.79 : 44,105.76 = 9,679.53 : x
  2. Step 2: Convert to fraction form
    29,399.79/44,105.76 = 9,679.53/x
  3. Step 3: Cross multiply
    29,399.79x = 44,105.76 × 9,679.53
  4. Step 4: Simplify right side
    29,399.79x = 426,923,027.09
  5. Step 5: Solve for x
    x = 426,923,027.09/29,399.79
  6. Step 6: Final answer
    x = 14,521.30

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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.