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Finding the Fourth Proportional to 5,069.85, 6,992.37 and 3,080.37

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Solution

The fourth proportional to 5,069.85, 6,992.37 and 3,080.37 is: 4,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.85 : 6,992.37 = 3,080.37 : x
  2. Step 2: Convert to fraction form
    5,069.85/6,992.37 = 3,080.37/x
  3. Step 3: Cross multiply
    5,069.85x = 6,992.37 × 3,080.37
  4. Step 4: Simplify right side
    5,069.85x = 21,539,086.78
  5. Step 5: Solve for x
    x = 21,539,086.78/5,069.85
  6. Step 6: Final answer
    x = 4,248.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.