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Finding the Fourth Proportional to 33,907.66, 50,857.58 and 8,949.72

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Solution

The fourth proportional to 33,907.66, 50,857.58 and 8,949.72 is: 13,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,907.66 : 50,857.58 = 8,949.72 : x
  2. Step 2: Convert to fraction form
    33,907.66/50,857.58 = 8,949.72/x
  3. Step 3: Cross multiply
    33,907.66x = 50,857.58 × 8,949.72
  4. Step 4: Simplify right side
    33,907.66x = 455,161,100.88
  5. Step 5: Solve for x
    x = 455,161,100.88/33,907.66
  6. Step 6: Final answer
    x = 13,423.55

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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.