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Finding the Fourth Proportional to 36,678.29, 50,616.29 and 19,911.29

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Solution

The fourth proportional to 36,678.29, 50,616.29 and 19,911.29 is: 27,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.29 : 50,616.29 = 19,911.29 : x
  2. Step 2: Convert to fraction form
    36,678.29/50,616.29 = 19,911.29/x
  3. Step 3: Cross multiply
    36,678.29x = 50,616.29 × 19,911.29
  4. Step 4: Simplify right side
    36,678.29x = 1,007,835,425.61
  5. Step 5: Solve for x
    x = 1,007,835,425.61/36,678.29
  6. Step 6: Final answer
    x = 27,477.71

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1.5x scale

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.