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Finding the Fourth Proportional to 3,662.57, 5,521.22 and 3,351.20

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Solution

The fourth proportional to 3,662.57, 5,521.22 and 3,351.20 is: 5,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.57 : 5,521.22 = 3,351.20 : x
  2. Step 2: Convert to fraction form
    3,662.57/5,521.22 = 3,351.20/x
  3. Step 3: Cross multiply
    3,662.57x = 5,521.22 × 3,351.20
  4. Step 4: Simplify right side
    3,662.57x = 18,502,712.46
  5. Step 5: Solve for x
    x = 18,502,712.46/3,662.57
  6. Step 6: Final answer
    x = 5,051.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.