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Finding the Fourth Proportional to 55,093.97, 82,640.94 and 25,495.66

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Solution

The fourth proportional to 55,093.97, 82,640.94 and 25,495.66 is: 38,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,093.97 : 82,640.94 = 25,495.66 : x
  2. Step 2: Convert to fraction form
    55,093.97/82,640.94 = 25,495.66/x
  3. Step 3: Cross multiply
    55,093.97x = 82,640.94 × 25,495.66
  4. Step 4: Simplify right side
    55,093.97x = 2,106,985,459.43
  5. Step 5: Solve for x
    x = 2,106,985,459.43/55,093.97
  6. Step 6: Final answer
    x = 38,243.48

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1.5x scale

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.