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Finding the Fourth Proportional to 6,653.96, 9,975.36 and 2,491.64

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Solution

The fourth proportional to 6,653.96, 9,975.36 and 2,491.64 is: 3,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.96 : 9,975.36 = 2,491.64 : x
  2. Step 2: Convert to fraction form
    6,653.96/9,975.36 = 2,491.64/x
  3. Step 3: Cross multiply
    6,653.96x = 9,975.36 × 2,491.64
  4. Step 4: Simplify right side
    6,653.96x = 24,855,005.99
  5. Step 5: Solve for x
    x = 24,855,005.99/6,653.96
  6. Step 6: Final answer
    x = 3,735.37

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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.