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Finding the Fourth Proportional to 6,362.15, 8,779.82 and 3,529.71

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Solution

The fourth proportional to 6,362.15, 8,779.82 and 3,529.71 is: 4,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.15 : 8,779.82 = 3,529.71 : x
  2. Step 2: Convert to fraction form
    6,362.15/8,779.82 = 3,529.71/x
  3. Step 3: Cross multiply
    6,362.15x = 8,779.82 × 3,529.71
  4. Step 4: Simplify right side
    6,362.15x = 30,990,218.45
  5. Step 5: Solve for x
    x = 30,990,218.45/6,362.15
  6. Step 6: Final answer
    x = 4,871.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.