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Finding the Fourth Proportional to 6,812.53, 10,222.22 and 3,114.43

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Solution

The fourth proportional to 6,812.53, 10,222.22 and 3,114.43 is: 4,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.53 : 10,222.22 = 3,114.43 : x
  2. Step 2: Convert to fraction form
    6,812.53/10,222.22 = 3,114.43/x
  3. Step 3: Cross multiply
    6,812.53x = 10,222.22 × 3,114.43
  4. Step 4: Simplify right side
    6,812.53x = 31,836,430.86
  5. Step 5: Solve for x
    x = 31,836,430.86/6,812.53
  6. Step 6: Final answer
    x = 4,673.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.