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Finding the Fourth Proportional to 11,253.50, 16,868.73 and 4,683.50

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Solution

The fourth proportional to 11,253.50, 16,868.73 and 4,683.50 is: 7,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.50 : 16,868.73 = 4,683.50 : x
  2. Step 2: Convert to fraction form
    11,253.50/16,868.73 = 4,683.50/x
  3. Step 3: Cross multiply
    11,253.50x = 16,868.73 × 4,683.50
  4. Step 4: Simplify right side
    11,253.50x = 79,004,696.96
  5. Step 5: Solve for x
    x = 79,004,696.96/11,253.50
  6. Step 6: Final answer
    x = 7,020.46

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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.