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Finding the Fourth Proportional to 7,788.99, 11,680.73 and 2,522.73

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Solution

The fourth proportional to 7,788.99, 11,680.73 and 2,522.73 is: 3,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.99 : 11,680.73 = 2,522.73 : x
  2. Step 2: Convert to fraction form
    7,788.99/11,680.73 = 2,522.73/x
  3. Step 3: Cross multiply
    7,788.99x = 11,680.73 × 2,522.73
  4. Step 4: Simplify right side
    7,788.99x = 29,467,315.38
  5. Step 5: Solve for x
    x = 29,467,315.38/7,788.99
  6. Step 6: Final answer
    x = 3,783.20

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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.