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Finding the Fourth Proportional to 5,615.44, 7,751.06 and 3,626

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Solution

The fourth proportional to 5,615.44, 7,751.06 and 3,626 is: 5,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.44 : 7,751.06 = 3,626 : x
  2. Step 2: Convert to fraction form
    5,615.44/7,751.06 = 3,626/x
  3. Step 3: Cross multiply
    5,615.44x = 7,751.06 × 3,626
  4. Step 4: Simplify right side
    5,615.44x = 28,105,343.56
  5. Step 5: Solve for x
    x = 28,105,343.56/5,615.44
  6. Step 6: Final answer
    x = 5,005.01

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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.