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Finding the Fourth Proportional to 6,519.54, 8,996.85 and 3,724.98

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Solution

The fourth proportional to 6,519.54, 8,996.85 and 3,724.98 is: 5,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.54 : 8,996.85 = 3,724.98 : x
  2. Step 2: Convert to fraction form
    6,519.54/8,996.85 = 3,724.98/x
  3. Step 3: Cross multiply
    6,519.54x = 8,996.85 × 3,724.98
  4. Step 4: Simplify right side
    6,519.54x = 33,513,086.31
  5. Step 5: Solve for x
    x = 33,513,086.31/6,519.54
  6. Step 6: Final answer
    x = 5,140.41

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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.