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Finding the Fourth Proportional to 18,162.49, 25,059.83 and 10,604.49

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Solution

The fourth proportional to 18,162.49, 25,059.83 and 10,604.49 is: 14,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.49 : 25,059.83 = 10,604.49 : x
  2. Step 2: Convert to fraction form
    18,162.49/25,059.83 = 10,604.49/x
  3. Step 3: Cross multiply
    18,162.49x = 25,059.83 × 10,604.49
  4. Step 4: Simplify right side
    18,162.49x = 265,746,716.64
  5. Step 5: Solve for x
    x = 265,746,716.64/18,162.49
  6. Step 6: Final answer
    x = 14,631.62

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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.