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Finding the Fourth Proportional to 9,742.96, 13,446.16 and 5,551.44

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Solution

The fourth proportional to 9,742.96, 13,446.16 and 5,551.44 is: 7,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.96 : 13,446.16 = 5,551.44 : x
  2. Step 2: Convert to fraction form
    9,742.96/13,446.16 = 5,551.44/x
  3. Step 3: Cross multiply
    9,742.96x = 13,446.16 × 5,551.44
  4. Step 4: Simplify right side
    9,742.96x = 74,645,550.47
  5. Step 5: Solve for x
    x = 74,645,550.47/9,742.96
  6. Step 6: Final answer
    x = 7,661.49

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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.