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Finding the Fourth Proportional to 36,703.68, 50,650.02 and 20,789.52

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Solution

The fourth proportional to 36,703.68, 50,650.02 and 20,789.52 is: 28,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,703.68 : 50,650.02 = 20,789.52 : x
  2. Step 2: Convert to fraction form
    36,703.68/50,650.02 = 20,789.52/x
  3. Step 3: Cross multiply
    36,703.68x = 50,650.02 × 20,789.52
  4. Step 4: Simplify right side
    36,703.68x = 1,052,989,603.79
  5. Step 5: Solve for x
    x = 1,052,989,603.79/36,703.68
  6. Step 6: Final answer
    x = 28,688.94

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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.