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Finding the Fourth Proportional to 63,058, 94,577.28 and 20,956.36

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Solution

The fourth proportional to 63,058, 94,577.28 and 20,956.36 is: 31,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,058 : 94,577.28 = 20,956.36 : x
  2. Step 2: Convert to fraction form
    63,058/94,577.28 = 20,956.36/x
  3. Step 3: Cross multiply
    63,058x = 94,577.28 × 20,956.36
  4. Step 4: Simplify right side
    63,058x = 1,981,995,527.50
  5. Step 5: Solve for x
    x = 1,981,995,527.50/63,058
  6. Step 6: Final answer
    x = 31,431.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.