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Finding the Fourth Proportional to 3,509.56, 5,265.42 and 2,536

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Solution

The fourth proportional to 3,509.56, 5,265.42 and 2,536 is: 3,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.56 : 5,265.42 = 2,536 : x
  2. Step 2: Convert to fraction form
    3,509.56/5,265.42 = 2,536/x
  3. Step 3: Cross multiply
    3,509.56x = 5,265.42 × 2,536
  4. Step 4: Simplify right side
    3,509.56x = 13,353,105.12
  5. Step 5: Solve for x
    x = 13,353,105.12/3,509.56
  6. Step 6: Final answer
    x = 3,804.78

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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.