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Finding the Fourth Proportional to 3,708.02, 5,563.02 and 1,628.20

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Solution

The fourth proportional to 3,708.02, 5,563.02 and 1,628.20 is: 2,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.02 : 5,563.02 = 1,628.20 : x
  2. Step 2: Convert to fraction form
    3,708.02/5,563.02 = 1,628.20/x
  3. Step 3: Cross multiply
    3,708.02x = 5,563.02 × 1,628.20
  4. Step 4: Simplify right side
    3,708.02x = 9,057,709.16
  5. Step 5: Solve for x
    x = 9,057,709.16/3,708.02
  6. Step 6: Final answer
    x = 2,442.73

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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.