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Finding the Fourth Proportional to 13,951.56, 19,262.16 and 8,652

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Solution

The fourth proportional to 13,951.56, 19,262.16 and 8,652 is: 11,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.56 : 19,262.16 = 8,652 : x
  2. Step 2: Convert to fraction form
    13,951.56/19,262.16 = 8,652/x
  3. Step 3: Cross multiply
    13,951.56x = 19,262.16 × 8,652
  4. Step 4: Simplify right side
    13,951.56x = 166,656,208.32
  5. Step 5: Solve for x
    x = 166,656,208.32/13,951.56
  6. Step 6: Final answer
    x = 11,945.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.