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Finding the Fourth Proportional to 59,390.61, 81,960.37 and 33,896.46

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Solution

The fourth proportional to 59,390.61, 81,960.37 and 33,896.46 is: 46,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,390.61 : 81,960.37 = 33,896.46 : x
  2. Step 2: Convert to fraction form
    59,390.61/81,960.37 = 33,896.46/x
  3. Step 3: Cross multiply
    59,390.61x = 81,960.37 × 33,896.46
  4. Step 4: Simplify right side
    59,390.61x = 2,778,166,403.29
  5. Step 5: Solve for x
    x = 2,778,166,403.29/59,390.61
  6. Step 6: Final answer
    x = 46,777.87

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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.