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Finding the Fourth Proportional to 6,676.60, 9,216.30 and 5,976.76

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Solution

The fourth proportional to 6,676.60, 9,216.30 and 5,976.76 is: 8,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.60 : 9,216.30 = 5,976.76 : x
  2. Step 2: Convert to fraction form
    6,676.60/9,216.30 = 5,976.76/x
  3. Step 3: Cross multiply
    6,676.60x = 9,216.30 × 5,976.76
  4. Step 4: Simplify right side
    6,676.60x = 55,083,613.19
  5. Step 5: Solve for x
    x = 55,083,613.19/6,676.60
  6. Step 6: Final answer
    x = 8,250.25

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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.