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Finding the Fourth Proportional to 6,069.87, 8,381.48 and 4,086.99

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Solution

The fourth proportional to 6,069.87, 8,381.48 and 4,086.99 is: 5,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,069.87 : 8,381.48 = 4,086.99 : x
  2. Step 2: Convert to fraction form
    6,069.87/8,381.48 = 4,086.99/x
  3. Step 3: Cross multiply
    6,069.87x = 8,381.48 × 4,086.99
  4. Step 4: Simplify right side
    6,069.87x = 34,255,004.51
  5. Step 5: Solve for x
    x = 34,255,004.51/6,069.87
  6. Step 6: Final answer
    x = 5,643.45

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