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Finding the Fourth Proportional to 4,643.00, 6,406.22 and 2,626.44

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Solution

The fourth proportional to 4,643.00, 6,406.22 and 2,626.44 is: 3,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.00 : 6,406.22 = 2,626.44 : x
  2. Step 2: Convert to fraction form
    4,643.00/6,406.22 = 2,626.44/x
  3. Step 3: Cross multiply
    4,643.00x = 6,406.22 × 2,626.44
  4. Step 4: Simplify right side
    4,643.00x = 16,825,539.32
  5. Step 5: Solve for x
    x = 16,825,539.32/4,643.00
  6. Step 6: Final answer
    x = 3,623.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.