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Finding the Fourth Proportional to 55,093.84, 82,640.76 and 15,645.83

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Solution

The fourth proportional to 55,093.84, 82,640.76 and 15,645.83 is: 23,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,093.84 : 82,640.76 = 15,645.83 : x
  2. Step 2: Convert to fraction form
    55,093.84/82,640.76 = 15,645.83/x
  3. Step 3: Cross multiply
    55,093.84x = 82,640.76 × 15,645.83
  4. Step 4: Simplify right side
    55,093.84x = 1,292,983,120.06
  5. Step 5: Solve for x
    x = 1,292,983,120.06/55,093.84
  6. Step 6: Final answer
    x = 23,468.74

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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.