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Finding the Fourth Proportional to 48,668.82, 73,002.77 and 15,388.89

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Solution

The fourth proportional to 48,668.82, 73,002.77 and 15,388.89 is: 23,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.82 : 73,002.77 = 15,388.89 : x
  2. Step 2: Convert to fraction form
    48,668.82/73,002.77 = 15,388.89/x
  3. Step 3: Cross multiply
    48,668.82x = 73,002.77 × 15,388.89
  4. Step 4: Simplify right side
    48,668.82x = 1,123,431,597.23
  5. Step 5: Solve for x
    x = 1,123,431,597.23/48,668.82
  6. Step 6: Final answer
    x = 23,083.19

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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.