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Finding the Fourth Proportional to 1,796.85, 2,695.28 and 564.36

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Solution

The fourth proportional to 1,796.85, 2,695.28 and 564.36 is: 846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.85 : 2,695.28 = 564.36 : x
  2. Step 2: Convert to fraction form
    1,796.85/2,695.28 = 564.36/x
  3. Step 3: Cross multiply
    1,796.85x = 2,695.28 × 564.36
  4. Step 4: Simplify right side
    1,796.85x = 1,521,108.22
  5. Step 5: Solve for x
    x = 1,521,108.22/1,796.85
  6. Step 6: Final answer
    x = 846.54

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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.