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Finding the Fourth Proportional to 44,937.78, 67,409.64 and 18,644.64

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Solution

The fourth proportional to 44,937.78, 67,409.64 and 18,644.64 is: 27,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,937.78 : 67,409.64 = 18,644.64 : x
  2. Step 2: Convert to fraction form
    44,937.78/67,409.64 = 18,644.64/x
  3. Step 3: Cross multiply
    44,937.78x = 67,409.64 × 18,644.64
  4. Step 4: Simplify right side
    44,937.78x = 1,256,828,470.33
  5. Step 5: Solve for x
    x = 1,256,828,470.33/44,937.78
  6. Step 6: Final answer
    x = 27,968.19

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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.