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Finding the Fourth Proportional to 36,019.58, 49,701.08 and 20,104.03

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Solution

The fourth proportional to 36,019.58, 49,701.08 and 20,104.03 is: 27,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.58 : 49,701.08 = 20,104.03 : x
  2. Step 2: Convert to fraction form
    36,019.58/49,701.08 = 20,104.03/x
  3. Step 3: Cross multiply
    36,019.58x = 49,701.08 × 20,104.03
  4. Step 4: Simplify right side
    36,019.58x = 999,191,654.33
  5. Step 5: Solve for x
    x = 999,191,654.33/36,019.58
  6. Step 6: Final answer
    x = 27,740.24

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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.