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Finding the Fourth Proportional to 7,790.34, 11,682.99 and 2,595

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Solution

The fourth proportional to 7,790.34, 11,682.99 and 2,595 is: 3,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.34 : 11,682.99 = 2,595 : x
  2. Step 2: Convert to fraction form
    7,790.34/11,682.99 = 2,595/x
  3. Step 3: Cross multiply
    7,790.34x = 11,682.99 × 2,595
  4. Step 4: Simplify right side
    7,790.34x = 30,317,359.05
  5. Step 5: Solve for x
    x = 30,317,359.05/7,790.34
  6. Step 6: Final answer
    x = 3,891.66

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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.