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Finding the Fourth Proportional to 59,231.35, 81,739.43 and 35,357.51

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Solution

The fourth proportional to 59,231.35, 81,739.43 and 35,357.51 is: 48,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,231.35 : 81,739.43 = 35,357.51 : x
  2. Step 2: Convert to fraction form
    59,231.35/81,739.43 = 35,357.51/x
  3. Step 3: Cross multiply
    59,231.35x = 81,739.43 × 35,357.51
  4. Step 4: Simplify right side
    59,231.35x = 2,890,102,873.77
  5. Step 5: Solve for x
    x = 2,890,102,873.77/59,231.35
  6. Step 6: Final answer
    x = 48,793.47

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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.