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Finding the Fourth Proportional to 63,704.52, 87,917.13 and 35,412.03

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Solution

The fourth proportional to 63,704.52, 87,917.13 and 35,412.03 is: 48,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,704.52 : 87,917.13 = 35,412.03 : x
  2. Step 2: Convert to fraction form
    63,704.52/87,917.13 = 35,412.03/x
  3. Step 3: Cross multiply
    63,704.52x = 87,917.13 × 35,412.03
  4. Step 4: Simplify right side
    63,704.52x = 3,113,324,045.07
  5. Step 5: Solve for x
    x = 3,113,324,045.07/63,704.52
  6. Step 6: Final answer
    x = 48,871.32

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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.