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Finding the Fourth Proportional to 58,868.76, 81,237.21 and 33,377.46

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Solution

The fourth proportional to 58,868.76, 81,237.21 and 33,377.46 is: 46,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,868.76 : 81,237.21 = 33,377.46 : x
  2. Step 2: Convert to fraction form
    58,868.76/81,237.21 = 33,377.46/x
  3. Step 3: Cross multiply
    58,868.76x = 81,237.21 × 33,377.46
  4. Step 4: Simplify right side
    58,868.76x = 2,711,491,727.29
  5. Step 5: Solve for x
    x = 2,711,491,727.29/58,868.76
  6. Step 6: Final answer
    x = 46,059.94

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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.