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Finding the Fourth Proportional to 8,773.21, 13,168.93 and 5,082.65

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Solution

The fourth proportional to 8,773.21, 13,168.93 and 5,082.65 is: 7,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.21 : 13,168.93 = 5,082.65 : x
  2. Step 2: Convert to fraction form
    8,773.21/13,168.93 = 5,082.65/x
  3. Step 3: Cross multiply
    8,773.21x = 13,168.93 × 5,082.65
  4. Step 4: Simplify right side
    8,773.21x = 66,933,042.43
  5. Step 5: Solve for x
    x = 66,933,042.43/8,773.21
  6. Step 6: Final answer
    x = 7,629.25

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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.