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Finding the Fourth Proportional to 6,624.88, 9,931.14 and 2,239.27

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Solution

The fourth proportional to 6,624.88, 9,931.14 and 2,239.27 is: 3,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.88 : 9,931.14 = 2,239.27 : x
  2. Step 2: Convert to fraction form
    6,624.88/9,931.14 = 2,239.27/x
  3. Step 3: Cross multiply
    6,624.88x = 9,931.14 × 2,239.27
  4. Step 4: Simplify right side
    6,624.88x = 22,238,474.84
  5. Step 5: Solve for x
    x = 22,238,474.84/6,624.88
  6. Step 6: Final answer
    x = 3,356.81

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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.