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Finding the Fourth Proportional to 6,361.29, 8,779.08 and 3,528.94

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Solution

The fourth proportional to 6,361.29, 8,779.08 and 3,528.94 is: 4,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.29 : 8,779.08 = 3,528.94 : x
  2. Step 2: Convert to fraction form
    6,361.29/8,779.08 = 3,528.94/x
  3. Step 3: Cross multiply
    6,361.29x = 8,779.08 × 3,528.94
  4. Step 4: Simplify right side
    6,361.29x = 30,980,846.58
  5. Step 5: Solve for x
    x = 30,980,846.58/6,361.29
  6. Step 6: Final answer
    x = 4,870.21

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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.