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Finding the Fourth Proportional to 61,692.17, 85,135.22 and 33,397.86

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Solution

The fourth proportional to 61,692.17, 85,135.22 and 33,397.86 is: 46,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,692.17 : 85,135.22 = 33,397.86 : x
  2. Step 2: Convert to fraction form
    61,692.17/85,135.22 = 33,397.86/x
  3. Step 3: Cross multiply
    61,692.17x = 85,135.22 × 33,397.86
  4. Step 4: Simplify right side
    61,692.17x = 2,843,334,145.12
  5. Step 5: Solve for x
    x = 2,843,334,145.12/61,692.17
  6. Step 6: Final answer
    x = 46,089.06

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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.