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Finding the Fourth Proportional to 55,788.79, 83,657.67 and 33,309.67

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Solution

The fourth proportional to 55,788.79, 83,657.67 and 33,309.67 is: 49,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,788.79 : 83,657.67 = 33,309.67 : x
  2. Step 2: Convert to fraction form
    55,788.79/83,657.67 = 33,309.67/x
  3. Step 3: Cross multiply
    55,788.79x = 83,657.67 × 33,309.67
  4. Step 4: Simplify right side
    55,788.79x = 2,786,609,380.67
  5. Step 5: Solve for x
    x = 2,786,609,380.67/55,788.79
  6. Step 6: Final answer
    x = 49,949.27

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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.