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Finding the Fourth Proportional to 12,367.57, 18,551.10 and 3,007.64

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Solution

The fourth proportional to 12,367.57, 18,551.10 and 3,007.64 is: 4,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.57 : 18,551.10 = 3,007.64 : x
  2. Step 2: Convert to fraction form
    12,367.57/18,551.10 = 3,007.64/x
  3. Step 3: Cross multiply
    12,367.57x = 18,551.10 × 3,007.64
  4. Step 4: Simplify right side
    12,367.57x = 55,795,015.37
  5. Step 5: Solve for x
    x = 55,795,015.37/12,367.57
  6. Step 6: Final answer
    x = 4,511.40

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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.