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Finding the Fourth Proportional to 44,481.86, 66,749.14 and 16,421.48

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Solution

The fourth proportional to 44,481.86, 66,749.14 and 16,421.48 is: 24,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,481.86 : 66,749.14 = 16,421.48 : x
  2. Step 2: Convert to fraction form
    44,481.86/66,749.14 = 16,421.48/x
  3. Step 3: Cross multiply
    44,481.86x = 66,749.14 × 16,421.48
  4. Step 4: Simplify right side
    44,481.86x = 1,096,119,667.53
  5. Step 5: Solve for x
    x = 1,096,119,667.53/44,481.86
  6. Step 6: Final answer
    x = 24,641.95

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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.