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Finding the Fourth Proportional to 33,166.62, 49,749.81 and 13,445.12

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Solution

The fourth proportional to 33,166.62, 49,749.81 and 13,445.12 is: 20,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,166.62 : 49,749.81 = 13,445.12 : x
  2. Step 2: Convert to fraction form
    33,166.62/49,749.81 = 13,445.12/x
  3. Step 3: Cross multiply
    33,166.62x = 49,749.81 × 13,445.12
  4. Step 4: Simplify right side
    33,166.62x = 668,892,165.43
  5. Step 5: Solve for x
    x = 668,892,165.43/33,166.62
  6. Step 6: Final answer
    x = 20,167.63

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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.