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Finding the Fourth Proportional to 35,146.83, 48,503.79 and 19,231.31

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Solution

The fourth proportional to 35,146.83, 48,503.79 and 19,231.31 is: 26,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,146.83 : 48,503.79 = 19,231.31 : x
  2. Step 2: Convert to fraction form
    35,146.83/48,503.79 = 19,231.31/x
  3. Step 3: Cross multiply
    35,146.83x = 48,503.79 × 19,231.31
  4. Step 4: Simplify right side
    35,146.83x = 932,791,179.15
  5. Step 5: Solve for x
    x = 932,791,179.15/35,146.83
  6. Step 6: Final answer
    x = 26,539.84

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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.