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Finding the Fourth Proportional to 6,883.40, 10,333.20 and 6,834.80

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Solution

The fourth proportional to 6,883.40, 10,333.20 and 6,834.80 is: 10,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.40 : 10,333.20 = 6,834.80 : x
  2. Step 2: Convert to fraction form
    6,883.40/10,333.20 = 6,834.80/x
  3. Step 3: Cross multiply
    6,883.40x = 10,333.20 × 6,834.80
  4. Step 4: Simplify right side
    6,883.40x = 70,625,355.36
  5. Step 5: Solve for x
    x = 70,625,355.36/6,883.40
  6. Step 6: Final answer
    x = 10,260.24

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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.