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Finding the Fourth Proportional to 58,487.45, 87,743.03 and 19,033.97

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Solution

The fourth proportional to 58,487.45, 87,743.03 and 19,033.97 is: 28,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,487.45 : 87,743.03 = 19,033.97 : x
  2. Step 2: Convert to fraction form
    58,487.45/87,743.03 = 19,033.97/x
  3. Step 3: Cross multiply
    58,487.45x = 87,743.03 × 19,033.97
  4. Step 4: Simplify right side
    58,487.45x = 1,670,098,324.92
  5. Step 5: Solve for x
    x = 1,670,098,324.92/58,487.45
  6. Step 6: Final answer
    x = 28,554.81

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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.