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Finding the Fourth Proportional to 6,361.22, 8,779.31 and 3,567.26

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Solution

The fourth proportional to 6,361.22, 8,779.31 and 3,567.26 is: 4,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.22 : 8,779.31 = 3,567.26 : x
  2. Step 2: Convert to fraction form
    6,361.22/8,779.31 = 3,567.26/x
  3. Step 3: Cross multiply
    6,361.22x = 8,779.31 × 3,567.26
  4. Step 4: Simplify right side
    6,361.22x = 31,318,019.66
  5. Step 5: Solve for x
    x = 31,318,019.66/6,361.22
  6. Step 6: Final answer
    x = 4,923.28

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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.