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Finding the Fourth Proportional to 18,226.85, 24,989.00 and 17,894.70

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Solution

The fourth proportional to 18,226.85, 24,989.00 and 17,894.70 is: 24,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.85 : 24,989.00 = 17,894.70 : x
  2. Step 2: Convert to fraction form
    18,226.85/24,989.00 = 17,894.70/x
  3. Step 3: Cross multiply
    18,226.85x = 24,989.00 × 17,894.70
  4. Step 4: Simplify right side
    18,226.85x = 447,170,568.83
  5. Step 5: Solve for x
    x = 447,170,568.83/18,226.85
  6. Step 6: Final answer
    x = 24,533.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.