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Finding the Fourth Proportional to 36,706, 50,654.34 and 19,939

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Solution

The fourth proportional to 36,706, 50,654.34 and 19,939 is: 27,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,706 : 50,654.34 = 19,939 : x
  2. Step 2: Convert to fraction form
    36,706/50,654.34 = 19,939/x
  3. Step 3: Cross multiply
    36,706x = 50,654.34 × 19,939
  4. Step 4: Simplify right side
    36,706x = 1,009,996,885.26
  5. Step 5: Solve for x
    x = 1,009,996,885.26/36,706
  6. Step 6: Final answer
    x = 27,515.85

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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.