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Finding the Fourth Proportional to 58,318.44, 87,481.59 and 19,834.26

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Solution

The fourth proportional to 58,318.44, 87,481.59 and 19,834.26 is: 29,752.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,318.44 : 87,481.59 = 19,834.26 : x
  2. Step 2: Convert to fraction form
    58,318.44/87,481.59 = 19,834.26/x
  3. Step 3: Cross multiply
    58,318.44x = 87,481.59 × 19,834.26
  4. Step 4: Simplify right side
    58,318.44x = 1,735,132,802.49
  5. Step 5: Solve for x
    x = 1,735,132,802.49/58,318.44
  6. Step 6: Final answer
    x = 29,752.73

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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.