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Finding the Fourth Proportional to 44,641.78, 66,962.60 and 18,327.98

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Solution

The fourth proportional to 44,641.78, 66,962.60 and 18,327.98 is: 27,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,641.78 : 66,962.60 = 18,327.98 : x
  2. Step 2: Convert to fraction form
    44,641.78/66,962.60 = 18,327.98/x
  3. Step 3: Cross multiply
    44,641.78x = 66,962.60 × 18,327.98
  4. Step 4: Simplify right side
    44,641.78x = 1,227,289,193.55
  5. Step 5: Solve for x
    x = 1,227,289,193.55/44,641.78
  6. Step 6: Final answer
    x = 27,491.94

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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.