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Finding the Fourth Proportional to 6,606.54, 9,910.17 and 1,676.21

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Solution

The fourth proportional to 6,606.54, 9,910.17 and 1,676.21 is: 2,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.54 : 9,910.17 = 1,676.21 : x
  2. Step 2: Convert to fraction form
    6,606.54/9,910.17 = 1,676.21/x
  3. Step 3: Cross multiply
    6,606.54x = 9,910.17 × 1,676.21
  4. Step 4: Simplify right side
    6,606.54x = 16,611,476.50
  5. Step 5: Solve for x
    x = 16,611,476.50/6,606.54
  6. Step 6: Final answer
    x = 2,514.40

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Double scale
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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.