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Finding the Fourth Proportional to 71,586.33, 98,773.47 and 43,291.41

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Solution

The fourth proportional to 71,586.33, 98,773.47 and 43,291.41 is: 59,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,586.33 : 98,773.47 = 43,291.41 : x
  2. Step 2: Convert to fraction form
    71,586.33/98,773.47 = 43,291.41/x
  3. Step 3: Cross multiply
    71,586.33x = 98,773.47 × 43,291.41
  4. Step 4: Simplify right side
    71,586.33x = 4,276,042,786.89
  5. Step 5: Solve for x
    x = 4,276,042,786.89/71,586.33
  6. Step 6: Final answer
    x = 59,732.67

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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.