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Finding the Fourth Proportional to 11,373.38, 17,030 and 8,896.62

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Solution

The fourth proportional to 11,373.38, 17,030 and 8,896.62 is: 13,321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.38 : 17,030 = 8,896.62 : x
  2. Step 2: Convert to fraction form
    11,373.38/17,030 = 8,896.62/x
  3. Step 3: Cross multiply
    11,373.38x = 17,030 × 8,896.62
  4. Step 4: Simplify right side
    11,373.38x = 151,509,438.60
  5. Step 5: Solve for x
    x = 151,509,438.60/11,373.38
  6. Step 6: Final answer
    x = 13,321.41

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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.