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Finding the Fourth Proportional to 1,567.00, 2,163.44 and 1,008.44

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Solution

The fourth proportional to 1,567.00, 2,163.44 and 1,008.44 is: 1,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.00 : 2,163.44 = 1,008.44 : x
  2. Step 2: Convert to fraction form
    1,567.00/2,163.44 = 1,008.44/x
  3. Step 3: Cross multiply
    1,567.00x = 2,163.44 × 1,008.44
  4. Step 4: Simplify right side
    1,567.00x = 2,181,698.62
  5. Step 5: Solve for x
    x = 2,181,698.62/1,567.00
  6. Step 6: Final answer
    x = 1,392.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.