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Finding the Fourth Proportional to 18,466.67, 25,481.43 and 10,508.01

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Solution

The fourth proportional to 18,466.67, 25,481.43 and 10,508.01 is: 14,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.67 : 25,481.43 = 10,508.01 : x
  2. Step 2: Convert to fraction form
    18,466.67/25,481.43 = 10,508.01/x
  3. Step 3: Cross multiply
    18,466.67x = 25,481.43 × 10,508.01
  4. Step 4: Simplify right side
    18,466.67x = 267,759,121.25
  5. Step 5: Solve for x
    x = 267,759,121.25/18,466.67
  6. Step 6: Final answer
    x = 14,499.59

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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.