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Finding the Fourth Proportional to 17,743.95, 26,611.02 and 6,649.83

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Solution

The fourth proportional to 17,743.95, 26,611.02 and 6,649.83 is: 9,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,743.95 : 26,611.02 = 6,649.83 : x
  2. Step 2: Convert to fraction form
    17,743.95/26,611.02 = 6,649.83/x
  3. Step 3: Cross multiply
    17,743.95x = 26,611.02 × 6,649.83
  4. Step 4: Simplify right side
    17,743.95x = 176,958,759.13
  5. Step 5: Solve for x
    x = 176,958,759.13/17,743.95
  6. Step 6: Final answer
    x = 9,972.91

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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.