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Finding the Fourth Proportional to 11,253, 16,867.92 and 4,683

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Solution

The fourth proportional to 11,253, 16,867.92 and 4,683 is: 7,019.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253 : 16,867.92 = 4,683 : x
  2. Step 2: Convert to fraction form
    11,253/16,867.92 = 4,683/x
  3. Step 3: Cross multiply
    11,253x = 16,867.92 × 4,683
  4. Step 4: Simplify right side
    11,253x = 78,992,469.36
  5. Step 5: Solve for x
    x = 78,992,469.36/11,253
  6. Step 6: Final answer
    x = 7,019.68

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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.