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Finding the Fourth Proportional to 6,222.87, 8,587.47 and 3,570.22

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Solution

The fourth proportional to 6,222.87, 8,587.47 and 3,570.22 is: 4,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.87 : 8,587.47 = 3,570.22 : x
  2. Step 2: Convert to fraction form
    6,222.87/8,587.47 = 3,570.22/x
  3. Step 3: Cross multiply
    6,222.87x = 8,587.47 × 3,570.22
  4. Step 4: Simplify right side
    6,222.87x = 30,659,157.14
  5. Step 5: Solve for x
    x = 30,659,157.14/6,222.87
  6. Step 6: Final answer
    x = 4,926.85

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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.