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Finding the Fourth Proportional to 58,802, 88,204.17 and 18,828.61

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Solution

The fourth proportional to 58,802, 88,204.17 and 18,828.61 is: 28,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,802 : 88,204.17 = 18,828.61 : x
  2. Step 2: Convert to fraction form
    58,802/88,204.17 = 18,828.61/x
  3. Step 3: Cross multiply
    58,802x = 88,204.17 × 18,828.61
  4. Step 4: Simplify right side
    58,802x = 1,660,761,917.30
  5. Step 5: Solve for x
    x = 1,660,761,917.30/58,802
  6. Step 6: Final answer
    x = 28,243.29

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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.