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Finding the Fourth Proportional to 44,655.84, 66,991.86 and 18,379.44

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Solution

The fourth proportional to 44,655.84, 66,991.86 and 18,379.44 is: 27,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,655.84 : 66,991.86 = 18,379.44 : x
  2. Step 2: Convert to fraction form
    44,655.84/66,991.86 = 18,379.44/x
  3. Step 3: Cross multiply
    44,655.84x = 66,991.86 × 18,379.44
  4. Step 4: Simplify right side
    44,655.84x = 1,231,272,871.36
  5. Step 5: Solve for x
    x = 1,231,272,871.36/44,655.84
  6. Step 6: Final answer
    x = 27,572.49

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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.