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Finding the Fourth Proportional to 63,686.63, 87,794.92 and 44,506.86

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Solution

The fourth proportional to 63,686.63, 87,794.92 and 44,506.86 is: 61,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,686.63 : 87,794.92 = 44,506.86 : x
  2. Step 2: Convert to fraction form
    63,686.63/87,794.92 = 44,506.86/x
  3. Step 3: Cross multiply
    63,686.63x = 87,794.92 × 44,506.86
  4. Step 4: Simplify right side
    63,686.63x = 3,907,476,213.15
  5. Step 5: Solve for x
    x = 3,907,476,213.15/63,686.63
  6. Step 6: Final answer
    x = 61,354.73

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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.