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Finding the Fourth Proportional to 36,690.84, 50,633.64 and 19,923.84

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Solution

The fourth proportional to 36,690.84, 50,633.64 and 19,923.84 is: 27,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.84 : 50,633.64 = 19,923.84 : x
  2. Step 2: Convert to fraction form
    36,690.84/50,633.64 = 19,923.84/x
  3. Step 3: Cross multiply
    36,690.84x = 50,633.64 × 19,923.84
  4. Step 4: Simplify right side
    36,690.84x = 1,008,816,541.98
  5. Step 5: Solve for x
    x = 1,008,816,541.98/36,690.84
  6. Step 6: Final answer
    x = 27,495.05

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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.