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Finding the Fourth Proportional to 4,942.08, 7,410.18 and 1,654.28

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Solution

The fourth proportional to 4,942.08, 7,410.18 and 1,654.28 is: 2,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.08 : 7,410.18 = 1,654.28 : x
  2. Step 2: Convert to fraction form
    4,942.08/7,410.18 = 1,654.28/x
  3. Step 3: Cross multiply
    4,942.08x = 7,410.18 × 1,654.28
  4. Step 4: Simplify right side
    4,942.08x = 12,258,512.57
  5. Step 5: Solve for x
    x = 12,258,512.57/4,942.08
  6. Step 6: Final answer
    x = 2,480.44

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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.