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Finding the Fourth Proportional to 1,062.22, 1,589.92 and 567.39

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Solution

The fourth proportional to 1,062.22, 1,589.92 and 567.39 is: 849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.22 : 1,589.92 = 567.39 : x
  2. Step 2: Convert to fraction form
    1,062.22/1,589.92 = 567.39/x
  3. Step 3: Cross multiply
    1,062.22x = 1,589.92 × 567.39
  4. Step 4: Simplify right side
    1,062.22x = 902,108.51
  5. Step 5: Solve for x
    x = 902,108.51/1,062.22
  6. Step 6: Final answer
    x = 849.27

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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.