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Finding the Fourth Proportional to 35,218.46, 48,601.37 and 19,086.21

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Solution

The fourth proportional to 35,218.46, 48,601.37 and 19,086.21 is: 26,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,218.46 : 48,601.37 = 19,086.21 : x
  2. Step 2: Convert to fraction form
    35,218.46/48,601.37 = 19,086.21/x
  3. Step 3: Cross multiply
    35,218.46x = 48,601.37 × 19,086.21
  4. Step 4: Simplify right side
    35,218.46x = 927,615,954.11
  5. Step 5: Solve for x
    x = 927,615,954.11/35,218.46
  6. Step 6: Final answer
    x = 26,338.92

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Why These Related Problems?

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