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Finding the Fourth Proportional to 3,635.52, 5,455.20 and 1,583.68

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Solution

The fourth proportional to 3,635.52, 5,455.20 and 1,583.68 is: 2,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.52 : 5,455.20 = 1,583.68 : x
  2. Step 2: Convert to fraction form
    3,635.52/5,455.20 = 1,583.68/x
  3. Step 3: Cross multiply
    3,635.52x = 5,455.20 × 1,583.68
  4. Step 4: Simplify right side
    3,635.52x = 8,639,291.14
  5. Step 5: Solve for x
    x = 8,639,291.14/3,635.52
  6. Step 6: Final answer
    x = 2,376.36

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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.