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Finding the Fourth Proportional to 5,562.64, 7,672.17 and 3,883.51

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Solution

The fourth proportional to 5,562.64, 7,672.17 and 3,883.51 is: 5,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.64 : 7,672.17 = 3,883.51 : x
  2. Step 2: Convert to fraction form
    5,562.64/7,672.17 = 3,883.51/x
  3. Step 3: Cross multiply
    5,562.64x = 7,672.17 × 3,883.51
  4. Step 4: Simplify right side
    5,562.64x = 29,794,948.92
  5. Step 5: Solve for x
    x = 29,794,948.92/5,562.64
  6. Step 6: Final answer
    x = 5,356.26

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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.