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Finding the Fourth Proportional to 6,812.67, 10,210.23 and 2,859.48

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Solution

The fourth proportional to 6,812.67, 10,210.23 and 2,859.48 is: 4,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.67 : 10,210.23 = 2,859.48 : x
  2. Step 2: Convert to fraction form
    6,812.67/10,210.23 = 2,859.48/x
  3. Step 3: Cross multiply
    6,812.67x = 10,210.23 × 2,859.48
  4. Step 4: Simplify right side
    6,812.67x = 29,195,948.48
  5. Step 5: Solve for x
    x = 29,195,948.48/6,812.67
  6. Step 6: Final answer
    x = 4,285.54

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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.