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Finding the Fourth Proportional to 6,679.64, 9,225.16 and 4,450.98

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Solution

The fourth proportional to 6,679.64, 9,225.16 and 4,450.98 is: 6,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.64 : 9,225.16 = 4,450.98 : x
  2. Step 2: Convert to fraction form
    6,679.64/9,225.16 = 4,450.98/x
  3. Step 3: Cross multiply
    6,679.64x = 9,225.16 × 4,450.98
  4. Step 4: Simplify right side
    6,679.64x = 41,061,002.66
  5. Step 5: Solve for x
    x = 41,061,002.66/6,679.64
  6. Step 6: Final answer
    x = 6,147.19

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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.