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Finding the Fourth Proportional to 3,300.84, 4,554.72 and 1,974.28

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Solution

The fourth proportional to 3,300.84, 4,554.72 and 1,974.28 is: 2,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.84 : 4,554.72 = 1,974.28 : x
  2. Step 2: Convert to fraction form
    3,300.84/4,554.72 = 1,974.28/x
  3. Step 3: Cross multiply
    3,300.84x = 4,554.72 × 1,974.28
  4. Step 4: Simplify right side
    3,300.84x = 8,992,292.60
  5. Step 5: Solve for x
    x = 8,992,292.60/3,300.84
  6. Step 6: Final answer
    x = 2,724.24

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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.