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Finding the Fourth Proportional to 55,788.87, 83,692.53 and 27,709.86

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Solution

The fourth proportional to 55,788.87, 83,692.53 and 27,709.86 is: 41,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,788.87 : 83,692.53 = 27,709.86 : x
  2. Step 2: Convert to fraction form
    55,788.87/83,692.53 = 27,709.86/x
  3. Step 3: Cross multiply
    55,788.87x = 83,692.53 × 27,709.86
  4. Step 4: Simplify right side
    55,788.87x = 2,319,108,289.35
  5. Step 5: Solve for x
    x = 2,319,108,289.35/55,788.87
  6. Step 6: Final answer
    x = 41,569.37

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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.