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Finding the Fourth Proportional to 55,745.70, 76,917.24 and 33,093.24

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Solution

The fourth proportional to 55,745.70, 76,917.24 and 33,093.24 is: 45,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,745.70 : 76,917.24 = 33,093.24 : x
  2. Step 2: Convert to fraction form
    55,745.70/76,917.24 = 33,093.24/x
  3. Step 3: Cross multiply
    55,745.70x = 76,917.24 × 33,093.24
  4. Step 4: Simplify right side
    55,745.70x = 2,545,440,683.46
  5. Step 5: Solve for x
    x = 2,545,440,683.46/55,745.70
  6. Step 6: Final answer
    x = 45,661.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.