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Finding the Fourth Proportional to 18,894.33, 28,339.34 and 5,044.41

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Solution

The fourth proportional to 18,894.33, 28,339.34 and 5,044.41 is: 7,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.33 : 28,339.34 = 5,044.41 : x
  2. Step 2: Convert to fraction form
    18,894.33/28,339.34 = 5,044.41/x
  3. Step 3: Cross multiply
    18,894.33x = 28,339.34 × 5,044.41
  4. Step 4: Simplify right side
    18,894.33x = 142,955,224.87
  5. Step 5: Solve for x
    x = 142,955,224.87/18,894.33
  6. Step 6: Final answer
    x = 7,566.04

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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.