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Finding the Fourth Proportional to 63,393.75, 95,106.43 and 19,021.32

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Solution

The fourth proportional to 63,393.75, 95,106.43 and 19,021.32 is: 28,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,393.75 : 95,106.43 = 19,021.32 : x
  2. Step 2: Convert to fraction form
    63,393.75/95,106.43 = 19,021.32/x
  3. Step 3: Cross multiply
    63,393.75x = 95,106.43 × 19,021.32
  4. Step 4: Simplify right side
    63,393.75x = 1,809,049,839.09
  5. Step 5: Solve for x
    x = 1,809,049,839.09/63,393.75
  6. Step 6: Final answer
    x = 28,536.72

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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.