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Finding the Fourth Proportional to 18,404.54, 25,398.26 and 10,021.04

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Solution

The fourth proportional to 18,404.54, 25,398.26 and 10,021.04 is: 13,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.54 : 25,398.26 = 10,021.04 : x
  2. Step 2: Convert to fraction form
    18,404.54/25,398.26 = 10,021.04/x
  3. Step 3: Cross multiply
    18,404.54x = 25,398.26 × 10,021.04
  4. Step 4: Simplify right side
    18,404.54x = 254,516,979.39
  5. Step 5: Solve for x
    x = 254,516,979.39/18,404.54
  6. Step 6: Final answer
    x = 13,829.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.