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Finding the Fourth Proportional to 58,571.59, 87,766.44 and 40,838.45

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Solution

The fourth proportional to 58,571.59, 87,766.44 and 40,838.45 is: 61,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,571.59 : 87,766.44 = 40,838.45 : x
  2. Step 2: Convert to fraction form
    58,571.59/87,766.44 = 40,838.45/x
  3. Step 3: Cross multiply
    58,571.59x = 87,766.44 × 40,838.45
  4. Step 4: Simplify right side
    58,571.59x = 3,584,245,371.62
  5. Step 5: Solve for x
    x = 3,584,245,371.62/58,571.59
  6. Step 6: Final answer
    x = 61,194.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.