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Finding the Fourth Proportional to 9,583.03, 13,224.56 and 5,391.28

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Solution

The fourth proportional to 9,583.03, 13,224.56 and 5,391.28 is: 7,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,583.03 : 13,224.56 = 5,391.28 : x
  2. Step 2: Convert to fraction form
    9,583.03/13,224.56 = 5,391.28/x
  3. Step 3: Cross multiply
    9,583.03x = 13,224.56 × 5,391.28
  4. Step 4: Simplify right side
    9,583.03x = 71,297,239.71
  5. Step 5: Solve for x
    x = 71,297,239.71/9,583.03
  6. Step 6: Final answer
    x = 7,439.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.