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Finding the Fourth Proportional to 63,975.48, 88,286.31 and 35,682.99

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Solution

The fourth proportional to 63,975.48, 88,286.31 and 35,682.99 is: 49,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,975.48 : 88,286.31 = 35,682.99 : x
  2. Step 2: Convert to fraction form
    63,975.48/88,286.31 = 35,682.99/x
  3. Step 3: Cross multiply
    63,975.48x = 88,286.31 × 35,682.99
  4. Step 4: Simplify right side
    63,975.48x = 3,150,319,516.87
  5. Step 5: Solve for x
    x = 3,150,319,516.87/63,975.48
  6. Step 6: Final answer
    x = 49,242.61

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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.