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Finding the Fourth Proportional to 73,221.63, 109,832.44 and 17,817.63

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Solution

The fourth proportional to 73,221.63, 109,832.44 and 17,817.63 is: 26,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,221.63 : 109,832.44 = 17,817.63 : x
  2. Step 2: Convert to fraction form
    73,221.63/109,832.44 = 17,817.63/x
  3. Step 3: Cross multiply
    73,221.63x = 109,832.44 × 17,817.63
  4. Step 4: Simplify right side
    73,221.63x = 1,956,953,777.92
  5. Step 5: Solve for x
    x = 1,956,953,777.92/73,221.63
  6. Step 6: Final answer
    x = 26,726.44

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1.5x scale

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.