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Finding the Fourth Proportional to 8,293.36, 12,440.04 and 6,829.44

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Solution

The fourth proportional to 8,293.36, 12,440.04 and 6,829.44 is: 10,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.36 : 12,440.04 = 6,829.44 : x
  2. Step 2: Convert to fraction form
    8,293.36/12,440.04 = 6,829.44/x
  3. Step 3: Cross multiply
    8,293.36x = 12,440.04 × 6,829.44
  4. Step 4: Simplify right side
    8,293.36x = 84,958,506.78
  5. Step 5: Solve for x
    x = 84,958,506.78/8,293.36
  6. Step 6: Final answer
    x = 10,244.16

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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.