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Finding the Fourth Proportional to 18,035.65, 24,880.12 and 12,067.57

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Solution

The fourth proportional to 18,035.65, 24,880.12 and 12,067.57 is: 16,647.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.65 : 24,880.12 = 12,067.57 : x
  2. Step 2: Convert to fraction form
    18,035.65/24,880.12 = 12,067.57/x
  3. Step 3: Cross multiply
    18,035.65x = 24,880.12 × 12,067.57
  4. Step 4: Simplify right side
    18,035.65x = 300,242,589.71
  5. Step 5: Solve for x
    x = 300,242,589.71/18,035.65
  6. Step 6: Final answer
    x = 16,647.17

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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.