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Finding the Fourth Proportional to 5,674.99, 8,511.09 and 2,388.19

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Solution

The fourth proportional to 5,674.99, 8,511.09 and 2,388.19 is: 3,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.99 : 8,511.09 = 2,388.19 : x
  2. Step 2: Convert to fraction form
    5,674.99/8,511.09 = 2,388.19/x
  3. Step 3: Cross multiply
    5,674.99x = 8,511.09 × 2,388.19
  4. Step 4: Simplify right side
    5,674.99x = 20,326,100.03
  5. Step 5: Solve for x
    x = 20,326,100.03/5,674.99
  6. Step 6: Final answer
    x = 3,581.70

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1.5x scale

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.