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Finding the Fourth Proportional to 18,182.99, 25,137.25 and 18,016.67

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Solution

The fourth proportional to 18,182.99, 25,137.25 and 18,016.67 is: 24,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.99 : 25,137.25 = 18,016.67 : x
  2. Step 2: Convert to fraction form
    18,182.99/25,137.25 = 18,016.67/x
  3. Step 3: Cross multiply
    18,182.99x = 25,137.25 × 18,016.67
  4. Step 4: Simplify right side
    18,182.99x = 452,889,367.23
  5. Step 5: Solve for x
    x = 452,889,367.23/18,182.99
  6. Step 6: Final answer
    x = 24,907.32

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Half scale
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Double scale
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Similar ratio
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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.