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Finding the Fourth Proportional to 5,986.36, 8,262.52 and 3,886.84

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Solution

The fourth proportional to 5,986.36, 8,262.52 and 3,886.84 is: 5,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.36 : 8,262.52 = 3,886.84 : x
  2. Step 2: Convert to fraction form
    5,986.36/8,262.52 = 3,886.84/x
  3. Step 3: Cross multiply
    5,986.36x = 8,262.52 × 3,886.84
  4. Step 4: Simplify right side
    5,986.36x = 32,115,093.24
  5. Step 5: Solve for x
    x = 32,115,093.24/5,986.36
  6. Step 6: Final answer
    x = 5,364.71

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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.