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Finding the Fourth Proportional to 6,361.63, 8,779.05 and 3,567.13

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Solution

The fourth proportional to 6,361.63, 8,779.05 and 3,567.13 is: 4,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.63 : 8,779.05 = 3,567.13 : x
  2. Step 2: Convert to fraction form
    6,361.63/8,779.05 = 3,567.13/x
  3. Step 3: Cross multiply
    6,361.63x = 8,779.05 × 3,567.13
  4. Step 4: Simplify right side
    6,361.63x = 31,316,012.63
  5. Step 5: Solve for x
    x = 31,316,012.63/6,361.63
  6. Step 6: Final answer
    x = 4,922.64

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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.