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Finding the Fourth Proportional to 30,250.80, 45,377.69 and 8,064.38

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Solution

The fourth proportional to 30,250.80, 45,377.69 and 8,064.38 is: 12,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.80 : 45,377.69 = 8,064.38 : x
  2. Step 2: Convert to fraction form
    30,250.80/45,377.69 = 8,064.38/x
  3. Step 3: Cross multiply
    30,250.80x = 45,377.69 × 8,064.38
  4. Step 4: Simplify right side
    30,250.80x = 365,942,668.47
  5. Step 5: Solve for x
    x = 365,942,668.47/30,250.80
  6. Step 6: Final answer
    x = 12,096.96

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