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Finding the Fourth Proportional to 6,371.66, 8,786.59 and 4,863.08

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Solution

The fourth proportional to 6,371.66, 8,786.59 and 4,863.08 is: 6,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.66 : 8,786.59 = 4,863.08 : x
  2. Step 2: Convert to fraction form
    6,371.66/8,786.59 = 4,863.08/x
  3. Step 3: Cross multiply
    6,371.66x = 8,786.59 × 4,863.08
  4. Step 4: Simplify right side
    6,371.66x = 42,729,834.01
  5. Step 5: Solve for x
    x = 42,729,834.01/6,371.66
  6. Step 6: Final answer
    x = 6,706.24

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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.