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Finding the Fourth Proportional to 8,366.70, 12,525.39 and 7,328.73

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Solution

The fourth proportional to 8,366.70, 12,525.39 and 7,328.73 is: 10,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.70 : 12,525.39 = 7,328.73 : x
  2. Step 2: Convert to fraction form
    8,366.70/12,525.39 = 7,328.73/x
  3. Step 3: Cross multiply
    8,366.70x = 12,525.39 × 7,328.73
  4. Step 4: Simplify right side
    8,366.70x = 91,795,201.45
  5. Step 5: Solve for x
    x = 91,795,201.45/8,366.70
  6. Step 6: Final answer
    x = 10,971.49

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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.