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Finding the Fourth Proportional to 44,523.98, 66,779.43 and 16,815.50

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Solution

The fourth proportional to 44,523.98, 66,779.43 and 16,815.50 is: 25,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,523.98 : 66,779.43 = 16,815.50 : x
  2. Step 2: Convert to fraction form
    44,523.98/66,779.43 = 16,815.50/x
  3. Step 3: Cross multiply
    44,523.98x = 66,779.43 × 16,815.50
  4. Step 4: Simplify right side
    44,523.98x = 1,122,929,505.17
  5. Step 5: Solve for x
    x = 1,122,929,505.17/44,523.98
  6. Step 6: Final answer
    x = 25,220.78

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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.