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Finding the Fourth Proportional to 6,607.43, 9,911.09 and 1,676.99

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Solution

The fourth proportional to 6,607.43, 9,911.09 and 1,676.99 is: 2,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.43 : 9,911.09 = 1,676.99 : x
  2. Step 2: Convert to fraction form
    6,607.43/9,911.09 = 1,676.99/x
  3. Step 3: Cross multiply
    6,607.43x = 9,911.09 × 1,676.99
  4. Step 4: Simplify right side
    6,607.43x = 16,620,815.21
  5. Step 5: Solve for x
    x = 16,620,815.21/6,607.43
  6. Step 6: Final answer
    x = 2,515.48

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Half scale
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Double scale
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Similar ratio
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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.