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Finding the Fourth Proportional to 6,362.03, 8,779.68 and 3,843.78

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Solution

The fourth proportional to 6,362.03, 8,779.68 and 3,843.78 is: 5,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.03 : 8,779.68 = 3,843.78 : x
  2. Step 2: Convert to fraction form
    6,362.03/8,779.68 = 3,843.78/x
  3. Step 3: Cross multiply
    6,362.03x = 8,779.68 × 3,843.78
  4. Step 4: Simplify right side
    6,362.03x = 33,747,158.39
  5. Step 5: Solve for x
    x = 33,747,158.39/6,362.03
  6. Step 6: Final answer
    x = 5,304.47

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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.