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Finding the Fourth Proportional to 56,406.05, 77,819.73 and 33,745.68

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Solution

The fourth proportional to 56,406.05, 77,819.73 and 33,745.68 is: 46,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,406.05 : 77,819.73 = 33,745.68 : x
  2. Step 2: Convert to fraction form
    56,406.05/77,819.73 = 33,745.68/x
  3. Step 3: Cross multiply
    56,406.05x = 77,819.73 × 33,745.68
  4. Step 4: Simplify right side
    56,406.05x = 2,626,079,706.27
  5. Step 5: Solve for x
    x = 2,626,079,706.27/56,406.05
  6. Step 6: Final answer
    x = 46,556.71

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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.