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Finding the Fourth Proportional to 13,295.10, 19,945.02 and 5,504.52

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Solution

The fourth proportional to 13,295.10, 19,945.02 and 5,504.52 is: 8,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.10 : 19,945.02 = 5,504.52 : x
  2. Step 2: Convert to fraction form
    13,295.10/19,945.02 = 5,504.52/x
  3. Step 3: Cross multiply
    13,295.10x = 19,945.02 × 5,504.52
  4. Step 4: Simplify right side
    13,295.10x = 109,787,761.49
  5. Step 5: Solve for x
    x = 109,787,761.49/13,295.10
  6. Step 6: Final answer
    x = 8,257.76

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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.