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Finding the Fourth Proportional to 3,651.44, 5,477.11 and 1,054.37

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Solution

The fourth proportional to 3,651.44, 5,477.11 and 1,054.37 is: 1,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.44 : 5,477.11 = 1,054.37 : x
  2. Step 2: Convert to fraction form
    3,651.44/5,477.11 = 1,054.37/x
  3. Step 3: Cross multiply
    3,651.44x = 5,477.11 × 1,054.37
  4. Step 4: Simplify right side
    3,651.44x = 5,774,911.53
  5. Step 5: Solve for x
    x = 5,774,911.53/3,651.44
  6. Step 6: Final answer
    x = 1,581.55

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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.