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Finding the Fourth Proportional to 16,864.58, 25,284.36 and 8,091.14

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Solution

The fourth proportional to 16,864.58, 25,284.36 and 8,091.14 is: 12,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.58 : 25,284.36 = 8,091.14 : x
  2. Step 2: Convert to fraction form
    16,864.58/25,284.36 = 8,091.14/x
  3. Step 3: Cross multiply
    16,864.58x = 25,284.36 × 8,091.14
  4. Step 4: Simplify right side
    16,864.58x = 204,579,296.57
  5. Step 5: Solve for x
    x = 204,579,296.57/16,864.58
  6. Step 6: Final answer
    x = 12,130.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.