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Finding the Fourth Proportional to 3,404.66, 5,105.14 and 1,063.64

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Solution

The fourth proportional to 3,404.66, 5,105.14 and 1,063.64 is: 1,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.66 : 5,105.14 = 1,063.64 : x
  2. Step 2: Convert to fraction form
    3,404.66/5,105.14 = 1,063.64/x
  3. Step 3: Cross multiply
    3,404.66x = 5,105.14 × 1,063.64
  4. Step 4: Simplify right side
    3,404.66x = 5,430,041.21
  5. Step 5: Solve for x
    x = 5,430,041.21/3,404.66
  6. Step 6: Final answer
    x = 1,594.89

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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.