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Finding the Fourth Proportional to 33,297.66, 49,907.28 and 12,230.70

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Solution

The fourth proportional to 33,297.66, 49,907.28 and 12,230.70 is: 18,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,297.66 : 49,907.28 = 12,230.70 : x
  2. Step 2: Convert to fraction form
    33,297.66/49,907.28 = 12,230.70/x
  3. Step 3: Cross multiply
    33,297.66x = 49,907.28 × 12,230.70
  4. Step 4: Simplify right side
    33,297.66x = 610,400,969.50
  5. Step 5: Solve for x
    x = 610,400,969.50/33,297.66
  6. Step 6: Final answer
    x = 18,331.65

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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.