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Finding the Fourth Proportional to 6,324.81, 8,728.75 and 3,492.44

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Solution

The fourth proportional to 6,324.81, 8,728.75 and 3,492.44 is: 4,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.81 : 8,728.75 = 3,492.44 : x
  2. Step 2: Convert to fraction form
    6,324.81/8,728.75 = 3,492.44/x
  3. Step 3: Cross multiply
    6,324.81x = 8,728.75 × 3,492.44
  4. Step 4: Simplify right side
    6,324.81x = 30,484,635.65
  5. Step 5: Solve for x
    x = 30,484,635.65/6,324.81
  6. Step 6: Final answer
    x = 4,819.85

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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.