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Finding the Fourth Proportional to 11,865.03, 17,798.57 and 3,099.94

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Solution

The fourth proportional to 11,865.03, 17,798.57 and 3,099.94 is: 4,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.03 : 17,798.57 = 3,099.94 : x
  2. Step 2: Convert to fraction form
    11,865.03/17,798.57 = 3,099.94/x
  3. Step 3: Cross multiply
    11,865.03x = 17,798.57 × 3,099.94
  4. Step 4: Simplify right side
    11,865.03x = 55,174,450.71
  5. Step 5: Solve for x
    x = 55,174,450.71/11,865.03
  6. Step 6: Final answer
    x = 4,650.17

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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.