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Finding the Fourth Proportional to 5,674.64, 8,511.99 and 1,976.94

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Solution

The fourth proportional to 5,674.64, 8,511.99 and 1,976.94 is: 2,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.64 : 8,511.99 = 1,976.94 : x
  2. Step 2: Convert to fraction form
    5,674.64/8,511.99 = 1,976.94/x
  3. Step 3: Cross multiply
    5,674.64x = 8,511.99 × 1,976.94
  4. Step 4: Simplify right side
    5,674.64x = 16,827,678.84
  5. Step 5: Solve for x
    x = 16,827,678.84/5,674.64
  6. Step 6: Final answer
    x = 2,965.42

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Similar ratio
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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.