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Finding the Fourth Proportional to 11,859.41, 17,794.88 and 5,611.98

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Solution

The fourth proportional to 11,859.41, 17,794.88 and 5,611.98 is: 8,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.41 : 17,794.88 = 5,611.98 : x
  2. Step 2: Convert to fraction form
    11,859.41/17,794.88 = 5,611.98/x
  3. Step 3: Cross multiply
    11,859.41x = 17,794.88 × 5,611.98
  4. Step 4: Simplify right side
    11,859.41x = 99,864,510.66
  5. Step 5: Solve for x
    x = 99,864,510.66/11,859.41
  6. Step 6: Final answer
    x = 8,420.70

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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.