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Finding the Fourth Proportional to 59,415.40, 81,991.84 and 32,556.61

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Solution

The fourth proportional to 59,415.40, 81,991.84 and 32,556.61 is: 44,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,415.40 : 81,991.84 = 32,556.61 : x
  2. Step 2: Convert to fraction form
    59,415.40/81,991.84 = 32,556.61/x
  3. Step 3: Cross multiply
    59,415.40x = 81,991.84 × 32,556.61
  4. Step 4: Simplify right side
    59,415.40x = 2,669,376,195.28
  5. Step 5: Solve for x
    x = 2,669,376,195.28/59,415.40
  6. Step 6: Final answer
    x = 44,927.35

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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.