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Finding the Fourth Proportional to 5,393.28, 8,090.22 and 1,696.02

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Solution

The fourth proportional to 5,393.28, 8,090.22 and 1,696.02 is: 2,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.28 : 8,090.22 = 1,696.02 : x
  2. Step 2: Convert to fraction form
    5,393.28/8,090.22 = 1,696.02/x
  3. Step 3: Cross multiply
    5,393.28x = 8,090.22 × 1,696.02
  4. Step 4: Simplify right side
    5,393.28x = 13,721,174.92
  5. Step 5: Solve for x
    x = 13,721,174.92/5,393.28
  6. Step 6: Final answer
    x = 2,544.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.