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Finding the Fourth Proportional to 61,372.31, 84,692.98 and 34,514.81

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Solution

The fourth proportional to 61,372.31, 84,692.98 and 34,514.81 is: 47,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,372.31 : 84,692.98 = 34,514.81 : x
  2. Step 2: Convert to fraction form
    61,372.31/84,692.98 = 34,514.81/x
  3. Step 3: Cross multiply
    61,372.31x = 84,692.98 × 34,514.81
  4. Step 4: Simplify right side
    61,372.31x = 2,923,162,113.03
  5. Step 5: Solve for x
    x = 2,923,162,113.03/61,372.31
  6. Step 6: Final answer
    x = 47,629.98

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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.