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Finding the Fourth Proportional to 58,043.66, 80,100.18 and 33,845.61

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Solution

The fourth proportional to 58,043.66, 80,100.18 and 33,845.61 is: 46,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,043.66 : 80,100.18 = 33,845.61 : x
  2. Step 2: Convert to fraction form
    58,043.66/80,100.18 = 33,845.61/x
  3. Step 3: Cross multiply
    58,043.66x = 80,100.18 × 33,845.61
  4. Step 4: Simplify right side
    58,043.66x = 2,711,039,453.21
  5. Step 5: Solve for x
    x = 2,711,039,453.21/58,043.66
  6. Step 6: Final answer
    x = 46,706.90

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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.