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Finding the Fourth Proportional to 61,208.66, 91,773.20 and 25,692.85

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Solution

The fourth proportional to 61,208.66, 91,773.20 and 25,692.85 is: 38,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,208.66 : 91,773.20 = 25,692.85 : x
  2. Step 2: Convert to fraction form
    61,208.66/91,773.20 = 25,692.85/x
  3. Step 3: Cross multiply
    61,208.66x = 91,773.20 × 25,692.85
  4. Step 4: Simplify right side
    61,208.66x = 2,357,914,724.34
  5. Step 5: Solve for x
    x = 2,357,914,724.34/61,208.66
  6. Step 6: Final answer
    x = 38,522.57

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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.