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Finding the Fourth Proportional to 33,919.28, 50,866.14 and 14,199.20

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Solution

The fourth proportional to 33,919.28, 50,866.14 and 14,199.20 is: 21,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.28 : 50,866.14 = 14,199.20 : x
  2. Step 2: Convert to fraction form
    33,919.28/50,866.14 = 14,199.20/x
  3. Step 3: Cross multiply
    33,919.28x = 50,866.14 × 14,199.20
  4. Step 4: Simplify right side
    33,919.28x = 722,258,495.09
  5. Step 5: Solve for x
    x = 722,258,495.09/33,919.28
  6. Step 6: Final answer
    x = 21,293.45

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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.