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Finding the Fourth Proportional to 6,718.87, 10,074.85 and 3,017.93

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Solution

The fourth proportional to 6,718.87, 10,074.85 and 3,017.93 is: 4,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.87 : 10,074.85 = 3,017.93 : x
  2. Step 2: Convert to fraction form
    6,718.87/10,074.85 = 3,017.93/x
  3. Step 3: Cross multiply
    6,718.87x = 10,074.85 × 3,017.93
  4. Step 4: Simplify right side
    6,718.87x = 30,405,141.69
  5. Step 5: Solve for x
    x = 30,405,141.69/6,718.87
  6. Step 6: Final answer
    x = 4,525.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.