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Finding the Fourth Proportional to 63,393.35, 95,105.03 and 20,698.56

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Solution

The fourth proportional to 63,393.35, 95,105.03 and 20,698.56 is: 31,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,393.35 : 95,105.03 = 20,698.56 : x
  2. Step 2: Convert to fraction form
    63,393.35/95,105.03 = 20,698.56/x
  3. Step 3: Cross multiply
    63,393.35x = 95,105.03 × 20,698.56
  4. Step 4: Simplify right side
    63,393.35x = 1,968,537,066.26
  5. Step 5: Solve for x
    x = 1,968,537,066.26/63,393.35
  6. Step 6: Final answer
    x = 31,052.74

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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.