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Finding the Fourth Proportional to 5,774.64, 8,664.03 and 1,879.05

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Solution

The fourth proportional to 5,774.64, 8,664.03 and 1,879.05 is: 2,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.64 : 8,664.03 = 1,879.05 : x
  2. Step 2: Convert to fraction form
    5,774.64/8,664.03 = 1,879.05/x
  3. Step 3: Cross multiply
    5,774.64x = 8,664.03 × 1,879.05
  4. Step 4: Simplify right side
    5,774.64x = 16,280,145.57
  5. Step 5: Solve for x
    x = 16,280,145.57/5,774.64
  6. Step 6: Final answer
    x = 2,819.25

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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.