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Finding the Fourth Proportional to 11,794.74, 17,679.80 and 4,395.98

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Solution

The fourth proportional to 11,794.74, 17,679.80 and 4,395.98 is: 6,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.74 : 17,679.80 = 4,395.98 : x
  2. Step 2: Convert to fraction form
    11,794.74/17,679.80 = 4,395.98/x
  3. Step 3: Cross multiply
    11,794.74x = 17,679.80 × 4,395.98
  4. Step 4: Simplify right side
    11,794.74x = 77,720,047.20
  5. Step 5: Solve for x
    x = 77,720,047.20/11,794.74
  6. Step 6: Final answer
    x = 6,589.38

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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.