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Finding the Fourth Proportional to 33,918.97, 50,880.88 and 8,958.76

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Solution

The fourth proportional to 33,918.97, 50,880.88 and 8,958.76 is: 13,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,918.97 : 50,880.88 = 8,958.76 : x
  2. Step 2: Convert to fraction form
    33,918.97/50,880.88 = 8,958.76/x
  3. Step 3: Cross multiply
    33,918.97x = 50,880.88 × 8,958.76
  4. Step 4: Simplify right side
    33,918.97x = 455,829,802.77
  5. Step 5: Solve for x
    x = 455,829,802.77/33,918.97
  6. Step 6: Final answer
    x = 13,438.79

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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.