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Finding the Fourth Proportional to 64,755.80, 97,032.90 and 41,013.26

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Solution

The fourth proportional to 64,755.80, 97,032.90 and 41,013.26 is: 61,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.80 : 97,032.90 = 41,013.26 : x
  2. Step 2: Convert to fraction form
    64,755.80/97,032.90 = 41,013.26/x
  3. Step 3: Cross multiply
    64,755.80x = 97,032.90 × 41,013.26
  4. Step 4: Simplify right side
    64,755.80x = 3,979,635,556.25
  5. Step 5: Solve for x
    x = 3,979,635,556.25/64,755.80
  6. Step 6: Final answer
    x = 61,456.05

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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.