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Finding the Fourth Proportional to 33,278.68, 49,772.14 and 28,963

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Solution

The fourth proportional to 33,278.68, 49,772.14 and 28,963 is: 43,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.68 : 49,772.14 = 28,963 : x
  2. Step 2: Convert to fraction form
    33,278.68/49,772.14 = 28,963/x
  3. Step 3: Cross multiply
    33,278.68x = 49,772.14 × 28,963
  4. Step 4: Simplify right side
    33,278.68x = 1,441,550,490.82
  5. Step 5: Solve for x
    x = 1,441,550,490.82/33,278.68
  6. Step 6: Final answer
    x = 43,317.54

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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.