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Finding the Fourth Proportional to 6,643.26, 9,964.88 and 2,026.26

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Solution

The fourth proportional to 6,643.26, 9,964.88 and 2,026.26 is: 3,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.26 : 9,964.88 = 2,026.26 : x
  2. Step 2: Convert to fraction form
    6,643.26/9,964.88 = 2,026.26/x
  3. Step 3: Cross multiply
    6,643.26x = 9,964.88 × 2,026.26
  4. Step 4: Simplify right side
    6,643.26x = 20,191,437.75
  5. Step 5: Solve for x
    x = 20,191,437.75/6,643.26
  6. Step 6: Final answer
    x = 3,039.39

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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.