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Finding the Fourth Proportional to 44,007, 66,010.50 and 19,383

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Solution

The fourth proportional to 44,007, 66,010.50 and 19,383 is: 29,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,007 : 66,010.50 = 19,383 : x
  2. Step 2: Convert to fraction form
    44,007/66,010.50 = 19,383/x
  3. Step 3: Cross multiply
    44,007x = 66,010.50 × 19,383
  4. Step 4: Simplify right side
    44,007x = 1,279,481,521.50
  5. Step 5: Solve for x
    x = 1,279,481,521.50/44,007
  6. Step 6: Final answer
    x = 29,074.50

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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.