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Finding the Fourth Proportional to 6,607.14, 9,910.74 and 1,676.78

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Solution

The fourth proportional to 6,607.14, 9,910.74 and 1,676.78 is: 2,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.14 : 9,910.74 = 1,676.78 : x
  2. Step 2: Convert to fraction form
    6,607.14/9,910.74 = 1,676.78/x
  3. Step 3: Cross multiply
    6,607.14x = 9,910.74 × 1,676.78
  4. Step 4: Simplify right side
    6,607.14x = 16,618,081.06
  5. Step 5: Solve for x
    x = 16,618,081.06/6,607.14
  6. Step 6: Final answer
    x = 2,515.17

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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.