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Finding the Fourth Proportional to 29,292.77, 43,939.16 and 7,105.96

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Solution

The fourth proportional to 29,292.77, 43,939.16 and 7,105.96 is: 10,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292.77 : 43,939.16 = 7,105.96 : x
  2. Step 2: Convert to fraction form
    29,292.77/43,939.16 = 7,105.96/x
  3. Step 3: Cross multiply
    29,292.77x = 43,939.16 × 7,105.96
  4. Step 4: Simplify right side
    29,292.77x = 312,229,913.39
  5. Step 5: Solve for x
    x = 312,229,913.39/29,292.77
  6. Step 6: Final answer
    x = 10,658.94

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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.