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Finding the Fourth Proportional to 6,354.45, 8,763.44 and 4,113.99

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Solution

The fourth proportional to 6,354.45, 8,763.44 and 4,113.99 is: 5,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.45 : 8,763.44 = 4,113.99 : x
  2. Step 2: Convert to fraction form
    6,354.45/8,763.44 = 4,113.99/x
  3. Step 3: Cross multiply
    6,354.45x = 8,763.44 × 4,113.99
  4. Step 4: Simplify right side
    6,354.45x = 36,052,683.96
  5. Step 5: Solve for x
    x = 36,052,683.96/6,354.45
  6. Step 6: Final answer
    x = 5,673.61

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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.