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Finding the Fourth Proportional to 35,462.33, 48,932.75 and 20,355.56

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Solution

The fourth proportional to 35,462.33, 48,932.75 and 20,355.56 is: 28,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,462.33 : 48,932.75 = 20,355.56 : x
  2. Step 2: Convert to fraction form
    35,462.33/48,932.75 = 20,355.56/x
  3. Step 3: Cross multiply
    35,462.33x = 48,932.75 × 20,355.56
  4. Step 4: Simplify right side
    35,462.33x = 996,053,426.81
  5. Step 5: Solve for x
    x = 996,053,426.81/35,462.33
  6. Step 6: Final answer
    x = 28,087.65

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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.