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Finding the Fourth Proportional to 6,653.26, 9,181.11 and 3,819.98

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Solution

The fourth proportional to 6,653.26, 9,181.11 and 3,819.98 is: 5,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.26 : 9,181.11 = 3,819.98 : x
  2. Step 2: Convert to fraction form
    6,653.26/9,181.11 = 3,819.98/x
  3. Step 3: Cross multiply
    6,653.26x = 9,181.11 × 3,819.98
  4. Step 4: Simplify right side
    6,653.26x = 35,071,656.58
  5. Step 5: Solve for x
    x = 35,071,656.58/6,653.26
  6. Step 6: Final answer
    x = 5,271.35

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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.