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Finding the Fourth Proportional to 5,611.43, 8,404.16 and 2,795.13

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Solution

The fourth proportional to 5,611.43, 8,404.16 and 2,795.13 is: 4,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.43 : 8,404.16 = 2,795.13 : x
  2. Step 2: Convert to fraction form
    5,611.43/8,404.16 = 2,795.13/x
  3. Step 3: Cross multiply
    5,611.43x = 8,404.16 × 2,795.13
  4. Step 4: Simplify right side
    5,611.43x = 23,490,726.78
  5. Step 5: Solve for x
    x = 23,490,726.78/5,611.43
  6. Step 6: Final answer
    x = 4,186.23

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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.