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Finding the Fourth Proportional to 3,573.52, 5,354.81 and 1,623.44

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Solution

The fourth proportional to 3,573.52, 5,354.81 and 1,623.44 is: 2,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.52 : 5,354.81 = 1,623.44 : x
  2. Step 2: Convert to fraction form
    3,573.52/5,354.81 = 1,623.44/x
  3. Step 3: Cross multiply
    3,573.52x = 5,354.81 × 1,623.44
  4. Step 4: Simplify right side
    3,573.52x = 8,693,224.10
  5. Step 5: Solve for x
    x = 8,693,224.10/3,573.52
  6. Step 6: Final answer
    x = 2,432.68

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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.