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Finding the Fourth Proportional to 3,282.54, 4,923.81 and 974.04

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Solution

The fourth proportional to 3,282.54, 4,923.81 and 974.04 is: 1,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.54 : 4,923.81 = 974.04 : x
  2. Step 2: Convert to fraction form
    3,282.54/4,923.81 = 974.04/x
  3. Step 3: Cross multiply
    3,282.54x = 4,923.81 × 974.04
  4. Step 4: Simplify right side
    3,282.54x = 4,795,969.43
  5. Step 5: Solve for x
    x = 4,795,969.43/3,282.54
  6. Step 6: Final answer
    x = 1,461.06

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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.