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Finding the Fourth Proportional to 27,400.64, 41,102.48 and 13,372.64

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Solution

The fourth proportional to 27,400.64, 41,102.48 and 13,372.64 is: 20,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400.64 : 41,102.48 = 13,372.64 : x
  2. Step 2: Convert to fraction form
    27,400.64/41,102.48 = 13,372.64/x
  3. Step 3: Cross multiply
    27,400.64x = 41,102.48 × 13,372.64
  4. Step 4: Simplify right side
    27,400.64x = 549,648,668.15
  5. Step 5: Solve for x
    x = 549,648,668.15/27,400.64
  6. Step 6: Final answer
    x = 20,059.70

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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.