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Finding the Fourth Proportional to 4,393.78, 6,593.27 and 1,622.41

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Solution

The fourth proportional to 4,393.78, 6,593.27 and 1,622.41 is: 2,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.78 : 6,593.27 = 1,622.41 : x
  2. Step 2: Convert to fraction form
    4,393.78/6,593.27 = 1,622.41/x
  3. Step 3: Cross multiply
    4,393.78x = 6,593.27 × 1,622.41
  4. Step 4: Simplify right side
    4,393.78x = 10,696,962.59
  5. Step 5: Solve for x
    x = 10,696,962.59/4,393.78
  6. Step 6: Final answer
    x = 2,434.57

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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.