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Finding the Fourth Proportional to 8,747.03, 13,112.28 and 3,485.29

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Solution

The fourth proportional to 8,747.03, 13,112.28 and 3,485.29 is: 5,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.03 : 13,112.28 = 3,485.29 : x
  2. Step 2: Convert to fraction form
    8,747.03/13,112.28 = 3,485.29/x
  3. Step 3: Cross multiply
    8,747.03x = 13,112.28 × 3,485.29
  4. Step 4: Simplify right side
    8,747.03x = 45,700,098.36
  5. Step 5: Solve for x
    x = 45,700,098.36/8,747.03
  6. Step 6: Final answer
    x = 5,224.64

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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.