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Finding the Fourth Proportional to 6,361.83, 8,779.34 and 3,529.26

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Solution

The fourth proportional to 6,361.83, 8,779.34 and 3,529.26 is: 4,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.83 : 8,779.34 = 3,529.26 : x
  2. Step 2: Convert to fraction form
    6,361.83/8,779.34 = 3,529.26/x
  3. Step 3: Cross multiply
    6,361.83x = 8,779.34 × 3,529.26
  4. Step 4: Simplify right side
    6,361.83x = 30,984,549.39
  5. Step 5: Solve for x
    x = 30,984,549.39/6,361.83
  6. Step 6: Final answer
    x = 4,870.39

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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.