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Finding the Fourth Proportional to 6,683.64, 9,223.64 and 3,850.79

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Solution

The fourth proportional to 6,683.64, 9,223.64 and 3,850.79 is: 5,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.64 : 9,223.64 = 3,850.79 : x
  2. Step 2: Convert to fraction form
    6,683.64/9,223.64 = 3,850.79/x
  3. Step 3: Cross multiply
    6,683.64x = 9,223.64 × 3,850.79
  4. Step 4: Simplify right side
    6,683.64x = 35,518,235.30
  5. Step 5: Solve for x
    x = 35,518,235.30/6,683.64
  6. Step 6: Final answer
    x = 5,314.21

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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.