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Finding the Fourth Proportional to 6,404.40, 9,605.60 and 2,022.92

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Solution

The fourth proportional to 6,404.40, 9,605.60 and 2,022.92 is: 3,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.40 : 9,605.60 = 2,022.92 : x
  2. Step 2: Convert to fraction form
    6,404.40/9,605.60 = 2,022.92/x
  3. Step 3: Cross multiply
    6,404.40x = 9,605.60 × 2,022.92
  4. Step 4: Simplify right side
    6,404.40x = 19,431,360.35
  5. Step 5: Solve for x
    x = 19,431,360.35/6,404.40
  6. Step 6: Final answer
    x = 3,034.06

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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.