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Finding the Fourth Proportional to 27,086.04, 40,629.06 and 9,314.64

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Solution

The fourth proportional to 27,086.04, 40,629.06 and 9,314.64 is: 13,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.04 : 40,629.06 = 9,314.64 : x
  2. Step 2: Convert to fraction form
    27,086.04/40,629.06 = 9,314.64/x
  3. Step 3: Cross multiply
    27,086.04x = 40,629.06 × 9,314.64
  4. Step 4: Simplify right side
    27,086.04x = 378,445,067.44
  5. Step 5: Solve for x
    x = 378,445,067.44/27,086.04
  6. Step 6: Final answer
    x = 13,971.96

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Similar ratio
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1.5x scale

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.