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Finding the Fourth Proportional to 6,216.92, 8,579.62 and 3,564.58

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Solution

The fourth proportional to 6,216.92, 8,579.62 and 3,564.58 is: 4,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.92 : 8,579.62 = 3,564.58 : x
  2. Step 2: Convert to fraction form
    6,216.92/8,579.62 = 3,564.58/x
  3. Step 3: Cross multiply
    6,216.92x = 8,579.62 × 3,564.58
  4. Step 4: Simplify right side
    6,216.92x = 30,582,741.86
  5. Step 5: Solve for x
    x = 30,582,741.86/6,216.92
  6. Step 6: Final answer
    x = 4,919.28

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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.