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Finding the Fourth Proportional to 36,735.92, 50,695.52 and 21,831.92

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Solution

The fourth proportional to 36,735.92, 50,695.52 and 21,831.92 is: 30,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,735.92 : 50,695.52 = 21,831.92 : x
  2. Step 2: Convert to fraction form
    36,735.92/50,695.52 = 21,831.92/x
  3. Step 3: Cross multiply
    36,735.92x = 50,695.52 × 21,831.92
  4. Step 4: Simplify right side
    36,735.92x = 1,106,780,537.00
  5. Step 5: Solve for x
    x = 1,106,780,537.00/36,735.92
  6. Step 6: Final answer
    x = 30,128.02

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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.