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Finding the Fourth Proportional to 5,945.22, 8,917.11 and 1,563

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Solution

The fourth proportional to 5,945.22, 8,917.11 and 1,563 is: 2,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.22 : 8,917.11 = 1,563 : x
  2. Step 2: Convert to fraction form
    5,945.22/8,917.11 = 1,563/x
  3. Step 3: Cross multiply
    5,945.22x = 8,917.11 × 1,563
  4. Step 4: Simplify right side
    5,945.22x = 13,937,442.93
  5. Step 5: Solve for x
    x = 13,937,442.93/5,945.22
  6. Step 6: Final answer
    x = 2,344.31

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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.