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Finding the Fourth Proportional to 45,663.80, 68,489.60 and 16,077.96

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Solution

The fourth proportional to 45,663.80, 68,489.60 and 16,077.96 is: 24,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,663.80 : 68,489.60 = 16,077.96 : x
  2. Step 2: Convert to fraction form
    45,663.80/68,489.60 = 16,077.96/x
  3. Step 3: Cross multiply
    45,663.80x = 68,489.60 × 16,077.96
  4. Step 4: Simplify right side
    45,663.80x = 1,101,172,968.83
  5. Step 5: Solve for x
    x = 1,101,172,968.83/45,663.80
  6. Step 6: Final answer
    x = 24,114.79

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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.