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Finding the Fourth Proportional to 63,073.96, 86,951.62 and 49,621.86

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Solution

The fourth proportional to 63,073.96, 86,951.62 and 49,621.86 is: 68,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,073.96 : 86,951.62 = 49,621.86 : x
  2. Step 2: Convert to fraction form
    63,073.96/86,951.62 = 49,621.86/x
  3. Step 3: Cross multiply
    63,073.96x = 86,951.62 × 49,621.86
  4. Step 4: Simplify right side
    63,073.96x = 4,314,701,114.41
  5. Step 5: Solve for x
    x = 4,314,701,114.41/63,073.96
  6. Step 6: Final answer
    x = 68,407.01

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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.