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Finding the Fourth Proportional to 55,692.55, 83,551.12 and 27,627.87

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Solution

The fourth proportional to 55,692.55, 83,551.12 and 27,627.87 is: 41,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,692.55 : 83,551.12 = 27,627.87 : x
  2. Step 2: Convert to fraction form
    55,692.55/83,551.12 = 27,627.87/x
  3. Step 3: Cross multiply
    55,692.55x = 83,551.12 × 27,627.87
  4. Step 4: Simplify right side
    55,692.55x = 2,308,339,063.96
  5. Step 5: Solve for x
    x = 2,308,339,063.96/55,692.55
  6. Step 6: Final answer
    x = 41,447.90

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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.