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Finding the Fourth Proportional to 33,164.80, 49,761.60 and 15,625.60

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Solution

The fourth proportional to 33,164.80, 49,761.60 and 15,625.60 is: 23,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,164.80 : 49,761.60 = 15,625.60 : x
  2. Step 2: Convert to fraction form
    33,164.80/49,761.60 = 15,625.60/x
  3. Step 3: Cross multiply
    33,164.80x = 49,761.60 × 15,625.60
  4. Step 4: Simplify right side
    33,164.80x = 777,554,856.96
  5. Step 5: Solve for x
    x = 777,554,856.96/33,164.80
  6. Step 6: Final answer
    x = 23,445.18

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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.