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Finding the Fourth Proportional to 35,415.96, 53,162.86 and 19,846.68

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Solution

The fourth proportional to 35,415.96, 53,162.86 and 19,846.68 is: 29,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.96 : 53,162.86 = 19,846.68 : x
  2. Step 2: Convert to fraction form
    35,415.96/53,162.86 = 19,846.68/x
  3. Step 3: Cross multiply
    35,415.96x = 53,162.86 × 19,846.68
  4. Step 4: Simplify right side
    35,415.96x = 1,055,106,270.30
  5. Step 5: Solve for x
    x = 1,055,106,270.30/35,415.96
  6. Step 6: Final answer
    x = 29,791.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.