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Finding the Fourth Proportional to 58,172.33, 87,262.91 and 22,618.37

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Solution

The fourth proportional to 58,172.33, 87,262.91 and 22,618.37 is: 33,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,172.33 : 87,262.91 = 22,618.37 : x
  2. Step 2: Convert to fraction form
    58,172.33/87,262.91 = 22,618.37/x
  3. Step 3: Cross multiply
    58,172.33x = 87,262.91 × 22,618.37
  4. Step 4: Simplify right side
    58,172.33x = 1,973,744,785.66
  5. Step 5: Solve for x
    x = 1,973,744,785.66/58,172.33
  6. Step 6: Final answer
    x = 33,929.27

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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.