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Finding the Fourth Proportional to 33,620.21, 50,436.96 and 9,928.17

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Solution

The fourth proportional to 33,620.21, 50,436.96 and 9,928.17 is: 14,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.21 : 50,436.96 = 9,928.17 : x
  2. Step 2: Convert to fraction form
    33,620.21/50,436.96 = 9,928.17/x
  3. Step 3: Cross multiply
    33,620.21x = 50,436.96 × 9,928.17
  4. Step 4: Simplify right side
    33,620.21x = 500,746,731.78
  5. Step 5: Solve for x
    x = 500,746,731.78/33,620.21
  6. Step 6: Final answer
    x = 14,894.22

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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.