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Finding the Fourth Proportional to 35,552.12, 49,071.42 and 20,446.43

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Solution

The fourth proportional to 35,552.12, 49,071.42 and 20,446.43 is: 28,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,552.12 : 49,071.42 = 20,446.43 : x
  2. Step 2: Convert to fraction form
    35,552.12/49,071.42 = 20,446.43/x
  3. Step 3: Cross multiply
    35,552.12x = 49,071.42 × 20,446.43
  4. Step 4: Simplify right side
    35,552.12x = 1,003,335,108.67
  5. Step 5: Solve for x
    x = 1,003,335,108.67/35,552.12
  6. Step 6: Final answer
    x = 28,221.53

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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.