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Finding the Fourth Proportional to 43,951.75, 65,930.67 and 17,656.47

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Solution

The fourth proportional to 43,951.75, 65,930.67 and 17,656.47 is: 26,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,951.75 : 65,930.67 = 17,656.47 : x
  2. Step 2: Convert to fraction form
    43,951.75/65,930.67 = 17,656.47/x
  3. Step 3: Cross multiply
    43,951.75x = 65,930.67 × 17,656.47
  4. Step 4: Simplify right side
    43,951.75x = 1,164,102,896.93
  5. Step 5: Solve for x
    x = 1,164,102,896.93/43,951.75
  6. Step 6: Final answer
    x = 26,485.93

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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.