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Finding the Fourth Proportional to 16,975.30, 25,462.95 and 12,367.30

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Solution

The fourth proportional to 16,975.30, 25,462.95 and 12,367.30 is: 18,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.30 : 25,462.95 = 12,367.30 : x
  2. Step 2: Convert to fraction form
    16,975.30/25,462.95 = 12,367.30/x
  3. Step 3: Cross multiply
    16,975.30x = 25,462.95 × 12,367.30
  4. Step 4: Simplify right side
    16,975.30x = 314,907,941.54
  5. Step 5: Solve for x
    x = 314,907,941.54/16,975.30
  6. Step 6: Final answer
    x = 18,550.95

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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.