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Finding the Fourth Proportional to 34,055.88, 51,083.84 and 9,431.88

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Solution

The fourth proportional to 34,055.88, 51,083.84 and 9,431.88 is: 14,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,055.88 : 51,083.84 = 9,431.88 : x
  2. Step 2: Convert to fraction form
    34,055.88/51,083.84 = 9,431.88/x
  3. Step 3: Cross multiply
    34,055.88x = 51,083.84 × 9,431.88
  4. Step 4: Simplify right side
    34,055.88x = 481,816,648.82
  5. Step 5: Solve for x
    x = 481,816,648.82/34,055.88
  6. Step 6: Final answer
    x = 14,147.83

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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.