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Finding the Fourth Proportional to 63,104.69, 94,658.40 and 18,734.56

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Solution

The fourth proportional to 63,104.69, 94,658.40 and 18,734.56 is: 28,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,104.69 : 94,658.40 = 18,734.56 : x
  2. Step 2: Convert to fraction form
    63,104.69/94,658.40 = 18,734.56/x
  3. Step 3: Cross multiply
    63,104.69x = 94,658.40 × 18,734.56
  4. Step 4: Simplify right side
    63,104.69x = 1,773,383,001.01
  5. Step 5: Solve for x
    x = 1,773,383,001.01/63,104.69
  6. Step 6: Final answer
    x = 28,102.24

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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.