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Finding the Fourth Proportional to 67,548.80, 101,323.28 and 17,628.86

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Solution

The fourth proportional to 67,548.80, 101,323.28 and 17,628.86 is: 26,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,548.80 : 101,323.28 = 17,628.86 : x
  2. Step 2: Convert to fraction form
    67,548.80/101,323.28 = 17,628.86/x
  3. Step 3: Cross multiply
    67,548.80x = 101,323.28 × 17,628.86
  4. Step 4: Simplify right side
    67,548.80x = 1,786,213,917.86
  5. Step 5: Solve for x
    x = 1,786,213,917.86/67,548.80
  6. Step 6: Final answer
    x = 26,443.31

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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.