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Finding the Fourth Proportional to 5,664.72, 7,817.26 and 3,307.22

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Solution

The fourth proportional to 5,664.72, 7,817.26 and 3,307.22 is: 4,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.72 : 7,817.26 = 3,307.22 : x
  2. Step 2: Convert to fraction form
    5,664.72/7,817.26 = 3,307.22/x
  3. Step 3: Cross multiply
    5,664.72x = 7,817.26 × 3,307.22
  4. Step 4: Simplify right side
    5,664.72x = 25,853,398.62
  5. Step 5: Solve for x
    x = 25,853,398.62/5,664.72
  6. Step 6: Final answer
    x = 4,563.93

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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.