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Finding the Fourth Proportional to 33,264.80, 49,824.30 and 28,890.80

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Solution

The fourth proportional to 33,264.80, 49,824.30 and 28,890.80 is: 43,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,264.80 : 49,824.30 = 28,890.80 : x
  2. Step 2: Convert to fraction form
    33,264.80/49,824.30 = 28,890.80/x
  3. Step 3: Cross multiply
    33,264.80x = 49,824.30 × 28,890.80
  4. Step 4: Simplify right side
    33,264.80x = 1,439,463,886.44
  5. Step 5: Solve for x
    x = 1,439,463,886.44/33,264.80
  6. Step 6: Final answer
    x = 43,272.89

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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.