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Finding the Fourth Proportional to 33,991.81, 50,994.93 and 14,258.99

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Solution

The fourth proportional to 33,991.81, 50,994.93 and 14,258.99 is: 21,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.81 : 50,994.93 = 14,258.99 : x
  2. Step 2: Convert to fraction form
    33,991.81/50,994.93 = 14,258.99/x
  3. Step 3: Cross multiply
    33,991.81x = 50,994.93 × 14,258.99
  4. Step 4: Simplify right side
    33,991.81x = 727,136,377.88
  5. Step 5: Solve for x
    x = 727,136,377.88/33,991.81
  6. Step 6: Final answer
    x = 21,391.52

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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.