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Finding the Fourth Proportional to 33,440.40, 50,153.40 and 14,720.40

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Solution

The fourth proportional to 33,440.40, 50,153.40 and 14,720.40 is: 22,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,440.40 : 50,153.40 = 14,720.40 : x
  2. Step 2: Convert to fraction form
    33,440.40/50,153.40 = 14,720.40/x
  3. Step 3: Cross multiply
    33,440.40x = 50,153.40 × 14,720.40
  4. Step 4: Simplify right side
    33,440.40x = 738,278,109.36
  5. Step 5: Solve for x
    x = 738,278,109.36/33,440.40
  6. Step 6: Final answer
    x = 22,077.43

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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.