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Finding the Fourth Proportional to 63,458.36, 87,567.72 and 35,163.44

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Solution

The fourth proportional to 63,458.36, 87,567.72 and 35,163.44 is: 48,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,458.36 : 87,567.72 = 35,163.44 : x
  2. Step 2: Convert to fraction form
    63,458.36/87,567.72 = 35,163.44/x
  3. Step 3: Cross multiply
    63,458.36x = 87,567.72 × 35,163.44
  4. Step 4: Simplify right side
    63,458.36x = 3,079,182,268.16
  5. Step 5: Solve for x
    x = 3,079,182,268.16/63,458.36
  6. Step 6: Final answer
    x = 48,522.88

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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.