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Finding the Fourth Proportional to 33,981.60, 50,955.84 and 14,254.80

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Solution

The fourth proportional to 33,981.60, 50,955.84 and 14,254.80 is: 21,375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,981.60 : 50,955.84 = 14,254.80 : x
  2. Step 2: Convert to fraction form
    33,981.60/50,955.84 = 14,254.80/x
  3. Step 3: Cross multiply
    33,981.60x = 50,955.84 × 14,254.80
  4. Step 4: Simplify right side
    33,981.60x = 726,365,308.03
  5. Step 5: Solve for x
    x = 726,365,308.03/33,981.60
  6. Step 6: Final answer
    x = 21,375.25

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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.