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Finding the Fourth Proportional to 6,563.60, 9,056.92 and 3,730.60

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Solution

The fourth proportional to 6,563.60, 9,056.92 and 3,730.60 is: 5,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,563.60 : 9,056.92 = 3,730.60 : x
  2. Step 2: Convert to fraction form
    6,563.60/9,056.92 = 3,730.60/x
  3. Step 3: Cross multiply
    6,563.60x = 9,056.92 × 3,730.60
  4. Step 4: Simplify right side
    6,563.60x = 33,787,745.75
  5. Step 5: Solve for x
    x = 33,787,745.75/6,563.60
  6. Step 6: Final answer
    x = 5,147.75

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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.