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Finding the Fourth Proportional to 6,267.67, 8,629.71 and 5,321.49

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Solution

The fourth proportional to 6,267.67, 8,629.71 and 5,321.49 is: 7,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267.67 : 8,629.71 = 5,321.49 : x
  2. Step 2: Convert to fraction form
    6,267.67/8,629.71 = 5,321.49/x
  3. Step 3: Cross multiply
    6,267.67x = 8,629.71 × 5,321.49
  4. Step 4: Simplify right side
    6,267.67x = 45,922,915.47
  5. Step 5: Solve for x
    x = 45,922,915.47/6,267.67
  6. Step 6: Final answer
    x = 7,326.95

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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.