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Finding the Fourth Proportional to 6,653.16, 9,982.62 and 3,571.56

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Solution

The fourth proportional to 6,653.16, 9,982.62 and 3,571.56 is: 5,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.16 : 9,982.62 = 3,571.56 : x
  2. Step 2: Convert to fraction form
    6,653.16/9,982.62 = 3,571.56/x
  3. Step 3: Cross multiply
    6,653.16x = 9,982.62 × 3,571.56
  4. Step 4: Simplify right side
    6,653.16x = 35,653,526.29
  5. Step 5: Solve for x
    x = 35,653,526.29/6,653.16
  6. Step 6: Final answer
    x = 5,358.89

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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.