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Finding the Fourth Proportional to 36,620, 50,535.60 and 19,853

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Solution

The fourth proportional to 36,620, 50,535.60 and 19,853 is: 27,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620 : 50,535.60 = 19,853 : x
  2. Step 2: Convert to fraction form
    36,620/50,535.60 = 19,853/x
  3. Step 3: Cross multiply
    36,620x = 50,535.60 × 19,853
  4. Step 4: Simplify right side
    36,620x = 1,003,283,266.80
  5. Step 5: Solve for x
    x = 1,003,283,266.80/36,620
  6. Step 6: Final answer
    x = 27,397.14

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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.