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Finding the Fourth Proportional to 16,676.52, 25,018.14 and 6,816.60

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Solution

The fourth proportional to 16,676.52, 25,018.14 and 6,816.60 is: 10,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.52 : 25,018.14 = 6,816.60 : x
  2. Step 2: Convert to fraction form
    16,676.52/25,018.14 = 6,816.60/x
  3. Step 3: Cross multiply
    16,676.52x = 25,018.14 × 6,816.60
  4. Step 4: Simplify right side
    16,676.52x = 170,538,653.12
  5. Step 5: Solve for x
    x = 170,538,653.12/16,676.52
  6. Step 6: Final answer
    x = 10,226.27

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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.