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Finding the Fourth Proportional to 27,198.58, 40,765.07 and 14,043.78

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Solution

The fourth proportional to 27,198.58, 40,765.07 and 14,043.78 is: 21,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.58 : 40,765.07 = 14,043.78 : x
  2. Step 2: Convert to fraction form
    27,198.58/40,765.07 = 14,043.78/x
  3. Step 3: Cross multiply
    27,198.58x = 40,765.07 × 14,043.78
  4. Step 4: Simplify right side
    27,198.58x = 572,495,400.72
  5. Step 5: Solve for x
    x = 572,495,400.72/27,198.58
  6. Step 6: Final answer
    x = 21,048.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.