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Finding the Fourth Proportional to 6,361.44, 8,773.04 and 4,121.04

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Solution

The fourth proportional to 6,361.44, 8,773.04 and 4,121.04 is: 5,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.44 : 8,773.04 = 4,121.04 : x
  2. Step 2: Convert to fraction form
    6,361.44/8,773.04 = 4,121.04/x
  3. Step 3: Cross multiply
    6,361.44x = 8,773.04 × 4,121.04
  4. Step 4: Simplify right side
    6,361.44x = 36,154,048.76
  5. Step 5: Solve for x
    x = 36,154,048.76/6,361.44
  6. Step 6: Final answer
    x = 5,683.31

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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.