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Finding the Fourth Proportional to 61,613.82, 92,364.54 and 22,161.87

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Solution

The fourth proportional to 61,613.82, 92,364.54 and 22,161.87 is: 33,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,613.82 : 92,364.54 = 22,161.87 : x
  2. Step 2: Convert to fraction form
    61,613.82/92,364.54 = 22,161.87/x
  3. Step 3: Cross multiply
    61,613.82x = 92,364.54 × 22,161.87
  4. Step 4: Simplify right side
    61,613.82x = 2,046,970,928.09
  5. Step 5: Solve for x
    x = 2,046,970,928.09/61,613.82
  6. Step 6: Final answer
    x = 33,222.59

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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.