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Finding the Fourth Proportional to 6,448.96, 9,673.04 and 2,065.28

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Solution

The fourth proportional to 6,448.96, 9,673.04 and 2,065.28 is: 3,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.96 : 9,673.04 = 2,065.28 : x
  2. Step 2: Convert to fraction form
    6,448.96/9,673.04 = 2,065.28/x
  3. Step 3: Cross multiply
    6,448.96x = 9,673.04 × 2,065.28
  4. Step 4: Simplify right side
    6,448.96x = 19,977,536.05
  5. Step 5: Solve for x
    x = 19,977,536.05/6,448.96
  6. Step 6: Final answer
    x = 3,097.79

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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.