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Finding the Fourth Proportional to 44,814, 67,216.34 and 28,124.56

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Solution

The fourth proportional to 44,814, 67,216.34 and 28,124.56 is: 42,183.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,814 : 67,216.34 = 28,124.56 : x
  2. Step 2: Convert to fraction form
    44,814/67,216.34 = 28,124.56/x
  3. Step 3: Cross multiply
    44,814x = 67,216.34 × 28,124.56
  4. Step 4: Simplify right side
    44,814x = 1,890,429,987.31
  5. Step 5: Solve for x
    x = 1,890,429,987.31/44,814
  6. Step 6: Final answer
    x = 42,183.92

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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.