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Finding the Fourth Proportional to 63,739.88, 87,956.22 and 35,443.16

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Solution

The fourth proportional to 63,739.88, 87,956.22 and 35,443.16 is: 48,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,739.88 : 87,956.22 = 35,443.16 : x
  2. Step 2: Convert to fraction form
    63,739.88/87,956.22 = 35,443.16/x
  3. Step 3: Cross multiply
    63,739.88x = 87,956.22 × 35,443.16
  4. Step 4: Simplify right side
    63,739.88x = 3,117,446,378.46
  5. Step 5: Solve for x
    x = 3,117,446,378.46/63,739.88
  6. Step 6: Final answer
    x = 48,908.88

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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.