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Finding the Fourth Proportional to 57,740.98, 86,613.88 and 18,297.22

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Solution

The fourth proportional to 57,740.98, 86,613.88 and 18,297.22 is: 27,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740.98 : 86,613.88 = 18,297.22 : x
  2. Step 2: Convert to fraction form
    57,740.98/86,613.88 = 18,297.22/x
  3. Step 3: Cross multiply
    57,740.98x = 86,613.88 × 18,297.22
  4. Step 4: Simplify right side
    57,740.98x = 1,584,793,217.41
  5. Step 5: Solve for x
    x = 1,584,793,217.41/57,740.98
  6. Step 6: Final answer
    x = 27,446.59

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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.