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Finding the Fourth Proportional to 63,676.50, 95,514.76 and 19,900.50

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Solution

The fourth proportional to 63,676.50, 95,514.76 and 19,900.50 is: 29,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,676.50 : 95,514.76 = 19,900.50 : x
  2. Step 2: Convert to fraction form
    63,676.50/95,514.76 = 19,900.50/x
  3. Step 3: Cross multiply
    63,676.50x = 95,514.76 × 19,900.50
  4. Step 4: Simplify right side
    63,676.50x = 1,900,791,481.38
  5. Step 5: Solve for x
    x = 1,900,791,481.38/63,676.50
  6. Step 6: Final answer
    x = 29,850.75

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1.5x scale

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.