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Finding the Fourth Proportional to 9,794.72, 13,516.71 and 5,318.46

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Solution

The fourth proportional to 9,794.72, 13,516.71 and 5,318.46 is: 7,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,794.72 : 13,516.71 = 5,318.46 : x
  2. Step 2: Convert to fraction form
    9,794.72/13,516.71 = 5,318.46/x
  3. Step 3: Cross multiply
    9,794.72x = 13,516.71 × 5,318.46
  4. Step 4: Simplify right side
    9,794.72x = 71,888,081.47
  5. Step 5: Solve for x
    x = 71,888,081.47/9,794.72
  6. Step 6: Final answer
    x = 7,339.47

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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.