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Finding the Fourth Proportional to 53,211.62, 79,796.64 and 23,235

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Solution

The fourth proportional to 53,211.62, 79,796.64 and 23,235 is: 34,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.62 : 79,796.64 = 23,235 : x
  2. Step 2: Convert to fraction form
    53,211.62/79,796.64 = 23,235/x
  3. Step 3: Cross multiply
    53,211.62x = 79,796.64 × 23,235
  4. Step 4: Simplify right side
    53,211.62x = 1,854,074,930.40
  5. Step 5: Solve for x
    x = 1,854,074,930.40/53,211.62
  6. Step 6: Final answer
    x = 34,843.42

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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.