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Finding the Fourth Proportional to 63,486.08, 87,609.44 and 36,626.64

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Solution

The fourth proportional to 63,486.08, 87,609.44 and 36,626.64 is: 50,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,486.08 : 87,609.44 = 36,626.64 : x
  2. Step 2: Convert to fraction form
    63,486.08/87,609.44 = 36,626.64/x
  3. Step 3: Cross multiply
    63,486.08x = 87,609.44 × 36,626.64
  4. Step 4: Simplify right side
    63,486.08x = 3,208,839,419.48
  5. Step 5: Solve for x
    x = 3,208,839,419.48/63,486.08
  6. Step 6: Final answer
    x = 50,543.98

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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.