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Finding the Fourth Proportional to 33,899.32, 50,858.50 and 12,551.71

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Solution

The fourth proportional to 33,899.32, 50,858.50 and 12,551.71 is: 18,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,899.32 : 50,858.50 = 12,551.71 : x
  2. Step 2: Convert to fraction form
    33,899.32/50,858.50 = 12,551.71/x
  3. Step 3: Cross multiply
    33,899.32x = 50,858.50 × 12,551.71
  4. Step 4: Simplify right side
    33,899.32x = 638,361,270.94
  5. Step 5: Solve for x
    x = 638,361,270.94/33,899.32
  6. Step 6: Final answer
    x = 18,831.09

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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.