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Finding the Fourth Proportional to 65,849.73, 90,871.93 and 35,634.39

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Solution

The fourth proportional to 65,849.73, 90,871.93 and 35,634.39 is: 49,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.73 : 90,871.93 = 35,634.39 : x
  2. Step 2: Convert to fraction form
    65,849.73/90,871.93 = 35,634.39/x
  3. Step 3: Cross multiply
    65,849.73x = 90,871.93 × 35,634.39
  4. Step 4: Simplify right side
    65,849.73x = 3,238,165,793.67
  5. Step 5: Solve for x
    x = 3,238,165,793.67/65,849.73
  6. Step 6: Final answer
    x = 49,175.08

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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.