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Finding the Fourth Proportional to 63,523.85, 87,651.32 and 36,656.55

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Solution

The fourth proportional to 63,523.85, 87,651.32 and 36,656.55 is: 50,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,523.85 : 87,651.32 = 36,656.55 : x
  2. Step 2: Convert to fraction form
    63,523.85/87,651.32 = 36,656.55/x
  3. Step 3: Cross multiply
    63,523.85x = 87,651.32 × 36,656.55
  4. Step 4: Simplify right side
    63,523.85x = 3,212,994,810.86
  5. Step 5: Solve for x
    x = 3,212,994,810.86/63,523.85
  6. Step 6: Final answer
    x = 50,579.35

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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.