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Finding the Fourth Proportional to 9,792.55, 13,513.67 and 5,316.27

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Solution

The fourth proportional to 9,792.55, 13,513.67 and 5,316.27 is: 7,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.55 : 13,513.67 = 5,316.27 : x
  2. Step 2: Convert to fraction form
    9,792.55/13,513.67 = 5,316.27/x
  3. Step 3: Cross multiply
    9,792.55x = 13,513.67 × 5,316.27
  4. Step 4: Simplify right side
    9,792.55x = 71,842,318.41
  5. Step 5: Solve for x
    x = 71,842,318.41/9,792.55
  6. Step 6: Final answer
    x = 7,336.43

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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.