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Finding the Fourth Proportional to 44,958, 67,437 and 12,126

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Solution

The fourth proportional to 44,958, 67,437 and 12,126 is: 18,189

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,958 : 67,437 = 12,126 : x
  2. Step 2: Convert to fraction form
    44,958/67,437 = 12,126/x
  3. Step 3: Cross multiply
    44,958x = 67,437 × 12,126
  4. Step 4: Simplify right side
    44,958x = 817,741,062
  5. Step 5: Solve for x
    x = 817,741,062/44,958
  6. Step 6: Final answer
    x = 18,189

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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.