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Finding the Fourth Proportional to 36,745.93, 50,709.78 and 19,978.93

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Solution

The fourth proportional to 36,745.93, 50,709.78 and 19,978.93 is: 27,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,745.93 : 50,709.78 = 19,978.93 : x
  2. Step 2: Convert to fraction form
    36,745.93/50,709.78 = 19,978.93/x
  3. Step 3: Cross multiply
    36,745.93x = 50,709.78 × 19,978.93
  4. Step 4: Simplify right side
    36,745.93x = 1,013,127,144.94
  5. Step 5: Solve for x
    x = 1,013,127,144.94/36,745.93
  6. Step 6: Final answer
    x = 27,571.14

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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.