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Finding the Fourth Proportional to 63,464.79, 87,584.91 and 35,169.87

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Solution

The fourth proportional to 63,464.79, 87,584.91 and 35,169.87 is: 48,536.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,464.79 : 87,584.91 = 35,169.87 : x
  2. Step 2: Convert to fraction form
    63,464.79/87,584.91 = 35,169.87/x
  3. Step 3: Cross multiply
    63,464.79x = 87,584.91 × 35,169.87
  4. Step 4: Simplify right side
    63,464.79x = 3,080,349,898.66
  5. Step 5: Solve for x
    x = 3,080,349,898.66/63,464.79
  6. Step 6: Final answer
    x = 48,536.36

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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.