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Finding the Fourth Proportional to 33,991.59, 50,994.68 and 14,258.78

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Solution

The fourth proportional to 33,991.59, 50,994.68 and 14,258.78 is: 21,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.59 : 50,994.68 = 14,258.78 : x
  2. Step 2: Convert to fraction form
    33,991.59/50,994.68 = 14,258.78/x
  3. Step 3: Cross multiply
    33,991.59x = 50,994.68 × 14,258.78
  4. Step 4: Simplify right side
    33,991.59x = 727,121,597.02
  5. Step 5: Solve for x
    x = 727,121,597.02/33,991.59
  6. Step 6: Final answer
    x = 21,391.22

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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.