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Finding the Fourth Proportional to 59,390.99, 81,960.89 and 33,896.84

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Solution

The fourth proportional to 59,390.99, 81,960.89 and 33,896.84 is: 46,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,390.99 : 81,960.89 = 33,896.84 : x
  2. Step 2: Convert to fraction form
    59,390.99/81,960.89 = 33,896.84/x
  3. Step 3: Cross multiply
    59,390.99x = 81,960.89 × 33,896.84
  4. Step 4: Simplify right side
    59,390.99x = 2,778,215,174.59
  5. Step 5: Solve for x
    x = 2,778,215,174.59/59,390.99
  6. Step 6: Final answer
    x = 46,778.39

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1.5x scale

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.