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Finding the Fourth Proportional to 33,251.90, 49,877.78 and 9,878.27

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Solution

The fourth proportional to 33,251.90, 49,877.78 and 9,878.27 is: 14,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,251.90 : 49,877.78 = 9,878.27 : x
  2. Step 2: Convert to fraction form
    33,251.90/49,877.78 = 9,878.27/x
  3. Step 3: Cross multiply
    33,251.90x = 49,877.78 × 9,878.27
  4. Step 4: Simplify right side
    33,251.90x = 492,705,879.06
  5. Step 5: Solve for x
    x = 492,705,879.06/33,251.90
  6. Step 6: Final answer
    x = 14,817.38

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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.