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Finding the Fourth Proportional to 6,425.52, 8,867.12 and 3,772.46

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Solution

The fourth proportional to 6,425.52, 8,867.12 and 3,772.46 is: 5,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.52 : 8,867.12 = 3,772.46 : x
  2. Step 2: Convert to fraction form
    6,425.52/8,867.12 = 3,772.46/x
  3. Step 3: Cross multiply
    6,425.52x = 8,867.12 × 3,772.46
  4. Step 4: Simplify right side
    6,425.52x = 33,450,855.52
  5. Step 5: Solve for x
    x = 33,450,855.52/6,425.52
  6. Step 6: Final answer
    x = 5,205.94

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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.