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Finding the Fourth Proportional to 11,963.58, 17,859.90 and 11,880.96

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Solution

The fourth proportional to 11,963.58, 17,859.90 and 11,880.96 is: 17,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.58 : 17,859.90 = 11,880.96 : x
  2. Step 2: Convert to fraction form
    11,963.58/17,859.90 = 11,880.96/x
  3. Step 3: Cross multiply
    11,963.58x = 17,859.90 × 11,880.96
  4. Step 4: Simplify right side
    11,963.58x = 212,192,757.50
  5. Step 5: Solve for x
    x = 212,192,757.50/11,963.58
  6. Step 6: Final answer
    x = 17,736.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.