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Finding the Fourth Proportional to 5,356.22, 7,391.35 and 2,966.28

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Solution

The fourth proportional to 5,356.22, 7,391.35 and 2,966.28 is: 4,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.22 : 7,391.35 = 2,966.28 : x
  2. Step 2: Convert to fraction form
    5,356.22/7,391.35 = 2,966.28/x
  3. Step 3: Cross multiply
    5,356.22x = 7,391.35 × 2,966.28
  4. Step 4: Simplify right side
    5,356.22x = 21,924,813.68
  5. Step 5: Solve for x
    x = 21,924,813.68/5,356.22
  6. Step 6: Final answer
    x = 4,093.34

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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.