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Finding the Fourth Proportional to 3,573.61, 5,356.51 and 1,723.43

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Solution

The fourth proportional to 3,573.61, 5,356.51 and 1,723.43 is: 2,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.61 : 5,356.51 = 1,723.43 : x
  2. Step 2: Convert to fraction form
    3,573.61/5,356.51 = 1,723.43/x
  3. Step 3: Cross multiply
    3,573.61x = 5,356.51 × 1,723.43
  4. Step 4: Simplify right side
    3,573.61x = 9,231,570.03
  5. Step 5: Solve for x
    x = 9,231,570.03/3,573.61
  6. Step 6: Final answer
    x = 2,583.26

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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.