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Finding the Fourth Proportional to 9,445.85, 13,028.45 and 5,862.85

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Solution

The fourth proportional to 9,445.85, 13,028.45 and 5,862.85 is: 8,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.85 : 13,028.45 = 5,862.85 : x
  2. Step 2: Convert to fraction form
    9,445.85/13,028.45 = 5,862.85/x
  3. Step 3: Cross multiply
    9,445.85x = 13,028.45 × 5,862.85
  4. Step 4: Simplify right side
    9,445.85x = 76,383,786.20
  5. Step 5: Solve for x
    x = 76,383,786.20/9,445.85
  6. Step 6: Final answer
    x = 8,086.49

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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.