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Finding the Fourth Proportional to 8,450.78, 11,649.71 and 5,925.27

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Solution

The fourth proportional to 8,450.78, 11,649.71 and 5,925.27 is: 8,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.78 : 11,649.71 = 5,925.27 : x
  2. Step 2: Convert to fraction form
    8,450.78/11,649.71 = 5,925.27/x
  3. Step 3: Cross multiply
    8,450.78x = 11,649.71 × 5,925.27
  4. Step 4: Simplify right side
    8,450.78x = 69,027,647.55
  5. Step 5: Solve for x
    x = 69,027,647.55/8,450.78
  6. Step 6: Final answer
    x = 8,168.20

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