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Finding the Fourth Proportional to 33,831.36, 50,751.36 and 13,052.16

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Solution

The fourth proportional to 33,831.36, 50,751.36 and 13,052.16 is: 19,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.36 : 50,751.36 = 13,052.16 : x
  2. Step 2: Convert to fraction form
    33,831.36/50,751.36 = 13,052.16/x
  3. Step 3: Cross multiply
    33,831.36x = 50,751.36 × 13,052.16
  4. Step 4: Simplify right side
    33,831.36x = 662,414,870.94
  5. Step 5: Solve for x
    x = 662,414,870.94/33,831.36
  6. Step 6: Final answer
    x = 19,579.91

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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.