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Finding the Fourth Proportional to 8,822.71, 12,175.49 and 4,843.99

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Solution

The fourth proportional to 8,822.71, 12,175.49 and 4,843.99 is: 6,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.71 : 12,175.49 = 4,843.99 : x
  2. Step 2: Convert to fraction form
    8,822.71/12,175.49 = 4,843.99/x
  3. Step 3: Cross multiply
    8,822.71x = 12,175.49 × 4,843.99
  4. Step 4: Simplify right side
    8,822.71x = 58,977,866.71
  5. Step 5: Solve for x
    x = 58,977,866.71/8,822.71
  6. Step 6: Final answer
    x = 6,684.78

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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.