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Finding the Fourth Proportional to 36,058, 49,760.10 and 21,908.08

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Solution

The fourth proportional to 36,058, 49,760.10 and 21,908.08 is: 30,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,058 : 49,760.10 = 21,908.08 : x
  2. Step 2: Convert to fraction form
    36,058/49,760.10 = 21,908.08/x
  3. Step 3: Cross multiply
    36,058x = 49,760.10 × 21,908.08
  4. Step 4: Simplify right side
    36,058x = 1,090,148,251.61
  5. Step 5: Solve for x
    x = 1,090,148,251.61/36,058
  6. Step 6: Final answer
    x = 30,233.19

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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.