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Finding the Fourth Proportional to 36,865.48, 55,298.42 and 9,163.48

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Solution

The fourth proportional to 36,865.48, 55,298.42 and 9,163.48 is: 13,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,865.48 : 55,298.42 = 9,163.48 : x
  2. Step 2: Convert to fraction form
    36,865.48/55,298.42 = 9,163.48/x
  3. Step 3: Cross multiply
    36,865.48x = 55,298.42 × 9,163.48
  4. Step 4: Simplify right side
    36,865.48x = 506,725,751.27
  5. Step 5: Solve for x
    x = 506,725,751.27/36,865.48
  6. Step 6: Final answer
    x = 13,745.27

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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.