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Finding the Fourth Proportional to 14,611.91, 21,919.97 and 4,613.27

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Solution

The fourth proportional to 14,611.91, 21,919.97 and 4,613.27 is: 6,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.91 : 21,919.97 = 4,613.27 : x
  2. Step 2: Convert to fraction form
    14,611.91/21,919.97 = 4,613.27/x
  3. Step 3: Cross multiply
    14,611.91x = 21,919.97 × 4,613.27
  4. Step 4: Simplify right side
    14,611.91x = 101,122,641.94
  5. Step 5: Solve for x
    x = 101,122,641.94/14,611.91
  6. Step 6: Final answer
    x = 6,920.57

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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.