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Finding the Fourth Proportional to 4,375.92, 6,563.88 and 1,778.25

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Solution

The fourth proportional to 4,375.92, 6,563.88 and 1,778.25 is: 2,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.92 : 6,563.88 = 1,778.25 : x
  2. Step 2: Convert to fraction form
    4,375.92/6,563.88 = 1,778.25/x
  3. Step 3: Cross multiply
    4,375.92x = 6,563.88 × 1,778.25
  4. Step 4: Simplify right side
    4,375.92x = 11,672,219.61
  5. Step 5: Solve for x
    x = 11,672,219.61/4,375.92
  6. Step 6: Final answer
    x = 2,667.38

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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.