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Finding the Fourth Proportional to 61,484.43, 84,670.16 and 53,414.43

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Solution

The fourth proportional to 61,484.43, 84,670.16 and 53,414.43 is: 73,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,484.43 : 84,670.16 = 53,414.43 : x
  2. Step 2: Convert to fraction form
    61,484.43/84,670.16 = 53,414.43/x
  3. Step 3: Cross multiply
    61,484.43x = 84,670.16 × 53,414.43
  4. Step 4: Simplify right side
    61,484.43x = 4,522,608,067.34
  5. Step 5: Solve for x
    x = 4,522,608,067.34/61,484.43
  6. Step 6: Final answer
    x = 73,556.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.