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Finding the Fourth Proportional to 58,861.81, 81,228.94 and 33,373

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Solution

The fourth proportional to 58,861.81, 81,228.94 and 33,373 is: 46,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,861.81 : 81,228.94 = 33,373 : x
  2. Step 2: Convert to fraction form
    58,861.81/81,228.94 = 33,373/x
  3. Step 3: Cross multiply
    58,861.81x = 81,228.94 × 33,373
  4. Step 4: Simplify right side
    58,861.81x = 2,710,853,414.62
  5. Step 5: Solve for x
    x = 2,710,853,414.62/58,861.81
  6. Step 6: Final answer
    x = 46,054.54

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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.