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Finding the Fourth Proportional to 63,813.96, 95,731.31 and 21,697.81

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Solution

The fourth proportional to 63,813.96, 95,731.31 and 21,697.81 is: 32,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,813.96 : 95,731.31 = 21,697.81 : x
  2. Step 2: Convert to fraction form
    63,813.96/95,731.31 = 21,697.81/x
  3. Step 3: Cross multiply
    63,813.96x = 95,731.31 × 21,697.81
  4. Step 4: Simplify right side
    63,813.96x = 2,077,159,775.43
  5. Step 5: Solve for x
    x = 2,077,159,775.43/63,813.96
  6. Step 6: Final answer
    x = 32,550.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.