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Finding the Fourth Proportional to 6,218.87, 8,583.85 and 4,968.63

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Solution

The fourth proportional to 6,218.87, 8,583.85 and 4,968.63 is: 6,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.87 : 8,583.85 = 4,968.63 : x
  2. Step 2: Convert to fraction form
    6,218.87/8,583.85 = 4,968.63/x
  3. Step 3: Cross multiply
    6,218.87x = 8,583.85 × 4,968.63
  4. Step 4: Simplify right side
    6,218.87x = 42,649,974.63
  5. Step 5: Solve for x
    x = 42,649,974.63/6,218.87
  6. Step 6: Final answer
    x = 6,858.16

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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.