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Finding the Fourth Proportional to 44,769.84, 66,989.12 and 27,010.80

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Solution

The fourth proportional to 44,769.84, 66,989.12 and 27,010.80 is: 40,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,769.84 : 66,989.12 = 27,010.80 : x
  2. Step 2: Convert to fraction form
    44,769.84/66,989.12 = 27,010.80/x
  3. Step 3: Cross multiply
    44,769.84x = 66,989.12 × 27,010.80
  4. Step 4: Simplify right side
    44,769.84x = 1,809,429,722.50
  5. Step 5: Solve for x
    x = 1,809,429,722.50/44,769.84
  6. Step 6: Final answer
    x = 40,416.27

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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.