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Finding the Fourth Proportional to 6,405.19, 9,608.19 and 2,022.82

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Solution

The fourth proportional to 6,405.19, 9,608.19 and 2,022.82 is: 3,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.19 : 9,608.19 = 2,022.82 : x
  2. Step 2: Convert to fraction form
    6,405.19/9,608.19 = 2,022.82/x
  3. Step 3: Cross multiply
    6,405.19x = 9,608.19 × 2,022.82
  4. Step 4: Simplify right side
    6,405.19x = 19,435,580.74
  5. Step 5: Solve for x
    x = 19,435,580.74/6,405.19
  6. Step 6: Final answer
    x = 3,034.35

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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.