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Finding the Fourth Proportional to 8,374.66, 11,554.66 and 5,392.22

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Solution

The fourth proportional to 8,374.66, 11,554.66 and 5,392.22 is: 7,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.66 : 11,554.66 = 5,392.22 : x
  2. Step 2: Convert to fraction form
    8,374.66/11,554.66 = 5,392.22/x
  3. Step 3: Cross multiply
    8,374.66x = 11,554.66 × 5,392.22
  4. Step 4: Simplify right side
    8,374.66x = 62,305,268.75
  5. Step 5: Solve for x
    x = 62,305,268.75/8,374.66
  6. Step 6: Final answer
    x = 7,439.74

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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.