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Finding the Fourth Proportional to 6,676.98, 9,217.71 and 6,235.26

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Solution

The fourth proportional to 6,676.98, 9,217.71 and 6,235.26 is: 8,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.98 : 9,217.71 = 6,235.26 : x
  2. Step 2: Convert to fraction form
    6,676.98/9,217.71 = 6,235.26/x
  3. Step 3: Cross multiply
    6,676.98x = 9,217.71 × 6,235.26
  4. Step 4: Simplify right side
    6,676.98x = 57,474,818.45
  5. Step 5: Solve for x
    x = 57,474,818.45/6,676.98
  6. Step 6: Final answer
    x = 8,607.91

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.