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Finding the Fourth Proportional to 8,589.84, 11,855.97 and 5,054.19

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Solution

The fourth proportional to 8,589.84, 11,855.97 and 5,054.19 is: 6,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.84 : 11,855.97 = 5,054.19 : x
  2. Step 2: Convert to fraction form
    8,589.84/11,855.97 = 5,054.19/x
  3. Step 3: Cross multiply
    8,589.84x = 11,855.97 × 5,054.19
  4. Step 4: Simplify right side
    8,589.84x = 59,922,325.01
  5. Step 5: Solve for x
    x = 59,922,325.01/8,589.84
  6. Step 6: Final answer
    x = 6,975.95

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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.