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Finding the Fourth Proportional to 5,523, 7,622.10 and 3,100.59

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Solution

The fourth proportional to 5,523, 7,622.10 and 3,100.59 is: 4,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523 : 7,622.10 = 3,100.59 : x
  2. Step 2: Convert to fraction form
    5,523/7,622.10 = 3,100.59/x
  3. Step 3: Cross multiply
    5,523x = 7,622.10 × 3,100.59
  4. Step 4: Simplify right side
    5,523x = 23,633,007.04
  5. Step 5: Solve for x
    x = 23,633,007.04/5,523
  6. Step 6: Final answer
    x = 4,279.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.