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Finding the Fourth Proportional to 36,744.79, 50,707.49 and 19,977.79

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Solution

The fourth proportional to 36,744.79, 50,707.49 and 19,977.79 is: 27,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,744.79 : 50,707.49 = 19,977.79 : x
  2. Step 2: Convert to fraction form
    36,744.79/50,707.49 = 19,977.79/x
  3. Step 3: Cross multiply
    36,744.79x = 50,707.49 × 19,977.79
  4. Step 4: Simplify right side
    36,744.79x = 1,013,023,486.76
  5. Step 5: Solve for x
    x = 1,013,023,486.76/36,744.79
  6. Step 6: Final answer
    x = 27,569.17

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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.