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Finding the Fourth Proportional to 33,642.56, 50,473.56 and 13,917.44

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Solution

The fourth proportional to 33,642.56, 50,473.56 and 13,917.44 is: 20,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,642.56 : 50,473.56 = 13,917.44 : x
  2. Step 2: Convert to fraction form
    33,642.56/50,473.56 = 13,917.44/x
  3. Step 3: Cross multiply
    33,642.56x = 50,473.56 × 13,917.44
  4. Step 4: Simplify right side
    33,642.56x = 702,462,742.89
  5. Step 5: Solve for x
    x = 702,462,742.89/33,642.56
  6. Step 6: Final answer
    x = 20,880.18

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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.