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Finding the Fourth Proportional to 2,069.94, 3,104.91 and 608.98

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Solution

The fourth proportional to 2,069.94, 3,104.91 and 608.98 is: 913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.94 : 3,104.91 = 608.98 : x
  2. Step 2: Convert to fraction form
    2,069.94/3,104.91 = 608.98/x
  3. Step 3: Cross multiply
    2,069.94x = 3,104.91 × 608.98
  4. Step 4: Simplify right side
    2,069.94x = 1,890,832.66
  5. Step 5: Solve for x
    x = 1,890,832.66/2,069.94
  6. Step 6: Final answer
    x = 913.47

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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.