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Finding the Fourth Proportional to 6,473.96, 8,933.22 and 3,679.40

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Solution

The fourth proportional to 6,473.96, 8,933.22 and 3,679.40 is: 5,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473.96 : 8,933.22 = 3,679.40 : x
  2. Step 2: Convert to fraction form
    6,473.96/8,933.22 = 3,679.40/x
  3. Step 3: Cross multiply
    6,473.96x = 8,933.22 × 3,679.40
  4. Step 4: Simplify right side
    6,473.96x = 32,868,889.67
  5. Step 5: Solve for x
    x = 32,868,889.67/6,473.96
  6. Step 6: Final answer
    x = 5,077.09

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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.