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Finding the Fourth Proportional to 36,727, 50,683.26 and 19,960

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Solution

The fourth proportional to 36,727, 50,683.26 and 19,960 is: 27,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,727 : 50,683.26 = 19,960 : x
  2. Step 2: Convert to fraction form
    36,727/50,683.26 = 19,960/x
  3. Step 3: Cross multiply
    36,727x = 50,683.26 × 19,960
  4. Step 4: Simplify right side
    36,727x = 1,011,637,869.60
  5. Step 5: Solve for x
    x = 1,011,637,869.60/36,727
  6. Step 6: Final answer
    x = 27,544.80

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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.