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Finding the Fourth Proportional to 18,481.58, 25,504.50 and 10,098.08

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Solution

The fourth proportional to 18,481.58, 25,504.50 and 10,098.08 is: 13,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.58 : 25,504.50 = 10,098.08 : x
  2. Step 2: Convert to fraction form
    18,481.58/25,504.50 = 10,098.08/x
  3. Step 3: Cross multiply
    18,481.58x = 25,504.50 × 10,098.08
  4. Step 4: Simplify right side
    18,481.58x = 257,546,481.36
  5. Step 5: Solve for x
    x = 257,546,481.36/18,481.58
  6. Step 6: Final answer
    x = 13,935.31

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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.