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Finding the Fourth Proportional to 33,297.76, 49,664.84 and 28,880.08

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Solution

The fourth proportional to 33,297.76, 49,664.84 and 28,880.08 is: 43,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,297.76 : 49,664.84 = 28,880.08 : x
  2. Step 2: Convert to fraction form
    33,297.76/49,664.84 = 28,880.08/x
  3. Step 3: Cross multiply
    33,297.76x = 49,664.84 × 28,880.08
  4. Step 4: Simplify right side
    33,297.76x = 1,434,324,552.39
  5. Step 5: Solve for x
    x = 1,434,324,552.39/33,297.76
  6. Step 6: Final answer
    x = 43,075.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.