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Finding the Fourth Proportional to 63,585.84, 87,759.32 and 36,723.52

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Solution

The fourth proportional to 63,585.84, 87,759.32 and 36,723.52 is: 50,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,585.84 : 87,759.32 = 36,723.52 : x
  2. Step 2: Convert to fraction form
    63,585.84/87,759.32 = 36,723.52/x
  3. Step 3: Cross multiply
    63,585.84x = 87,759.32 × 36,723.52
  4. Step 4: Simplify right side
    63,585.84x = 3,222,831,143.21
  5. Step 5: Solve for x
    x = 3,222,831,143.21/63,585.84
  6. Step 6: Final answer
    x = 50,684.73

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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.