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Finding the Fourth Proportional to 69,712.92, 96,203.64 and 37,881.93

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Solution

The fourth proportional to 69,712.92, 96,203.64 and 37,881.93 is: 52,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.92 : 96,203.64 = 37,881.93 : x
  2. Step 2: Convert to fraction form
    69,712.92/96,203.64 = 37,881.93/x
  3. Step 3: Cross multiply
    69,712.92x = 96,203.64 × 37,881.93
  4. Step 4: Simplify right side
    69,712.92x = 3,644,379,556.23
  5. Step 5: Solve for x
    x = 3,644,379,556.23/69,712.92
  6. Step 6: Final answer
    x = 52,276.96

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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.