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Finding the Fourth Proportional to 41,554, 62,349.28 and 21,828

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Solution

The fourth proportional to 41,554, 62,349.28 and 21,828 is: 32,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,554 : 62,349.28 = 21,828 : x
  2. Step 2: Convert to fraction form
    41,554/62,349.28 = 21,828/x
  3. Step 3: Cross multiply
    41,554x = 62,349.28 × 21,828
  4. Step 4: Simplify right side
    41,554x = 1,360,960,083.84
  5. Step 5: Solve for x
    x = 1,360,960,083.84/41,554
  6. Step 6: Final answer
    x = 32,751.60

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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.