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Finding the Fourth Proportional to 3,665.41, 5,498.12 and 892.06

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Solution

The fourth proportional to 3,665.41, 5,498.12 and 892.06 is: 1,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.41 : 5,498.12 = 892.06 : x
  2. Step 2: Convert to fraction form
    3,665.41/5,498.12 = 892.06/x
  3. Step 3: Cross multiply
    3,665.41x = 5,498.12 × 892.06
  4. Step 4: Simplify right side
    3,665.41x = 4,904,634.72
  5. Step 5: Solve for x
    x = 4,904,634.72/3,665.41
  6. Step 6: Final answer
    x = 1,338.09

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1.5x scale

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.