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Finding the Fourth Proportional to 4,405.56, 6,609.24 and 1,808.52

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Solution

The fourth proportional to 4,405.56, 6,609.24 and 1,808.52 is: 2,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.56 : 6,609.24 = 1,808.52 : x
  2. Step 2: Convert to fraction form
    4,405.56/6,609.24 = 1,808.52/x
  3. Step 3: Cross multiply
    4,405.56x = 6,609.24 × 1,808.52
  4. Step 4: Simplify right side
    4,405.56x = 11,952,942.72
  5. Step 5: Solve for x
    x = 11,952,942.72/4,405.56
  6. Step 6: Final answer
    x = 2,713.15

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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.