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Finding the Fourth Proportional to 5,335.61, 8,006.22 and 2,738.55

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Solution

The fourth proportional to 5,335.61, 8,006.22 and 2,738.55 is: 4,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.61 : 8,006.22 = 2,738.55 : x
  2. Step 2: Convert to fraction form
    5,335.61/8,006.22 = 2,738.55/x
  3. Step 3: Cross multiply
    5,335.61x = 8,006.22 × 2,738.55
  4. Step 4: Simplify right side
    5,335.61x = 21,925,433.78
  5. Step 5: Solve for x
    x = 21,925,433.78/5,335.61
  6. Step 6: Final answer
    x = 4,109.26

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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.