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Finding the Fourth Proportional to 36,917.73, 55,376.73 and 9,215.73

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Solution

The fourth proportional to 36,917.73, 55,376.73 and 9,215.73 is: 13,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.73 : 55,376.73 = 9,215.73 : x
  2. Step 2: Convert to fraction form
    36,917.73/55,376.73 = 9,215.73/x
  3. Step 3: Cross multiply
    36,917.73x = 55,376.73 × 9,215.73
  4. Step 4: Simplify right side
    36,917.73x = 510,336,991.96
  5. Step 5: Solve for x
    x = 510,336,991.96/36,917.73
  6. Step 6: Final answer
    x = 13,823.63

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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.