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Finding the Fourth Proportional to 2,795.99, 4,191.94 and 1,478.68

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Solution

The fourth proportional to 2,795.99, 4,191.94 and 1,478.68 is: 2,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.99 : 4,191.94 = 1,478.68 : x
  2. Step 2: Convert to fraction form
    2,795.99/4,191.94 = 1,478.68/x
  3. Step 3: Cross multiply
    2,795.99x = 4,191.94 × 1,478.68
  4. Step 4: Simplify right side
    2,795.99x = 6,198,523.66
  5. Step 5: Solve for x
    x = 6,198,523.66/2,795.99
  6. Step 6: Final answer
    x = 2,216.93

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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.