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Finding the Fourth Proportional to 58,556.67, 80,808.03 and 31,699.68

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Solution

The fourth proportional to 58,556.67, 80,808.03 and 31,699.68 is: 43,745.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,556.67 : 80,808.03 = 31,699.68 : x
  2. Step 2: Convert to fraction form
    58,556.67/80,808.03 = 31,699.68/x
  3. Step 3: Cross multiply
    58,556.67x = 80,808.03 × 31,699.68
  4. Step 4: Simplify right side
    58,556.67x = 2,561,588,692.43
  5. Step 5: Solve for x
    x = 2,561,588,692.43/58,556.67
  6. Step 6: Final answer
    x = 43,745.46

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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.