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Finding the Fourth Proportional to 26,954.88, 40,388.16 and 25,930.88

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Solution

The fourth proportional to 26,954.88, 40,388.16 and 25,930.88 is: 38,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,954.88 : 40,388.16 = 25,930.88 : x
  2. Step 2: Convert to fraction form
    26,954.88/40,388.16 = 25,930.88/x
  3. Step 3: Cross multiply
    26,954.88x = 40,388.16 × 25,930.88
  4. Step 4: Simplify right side
    26,954.88x = 1,047,300,530.38
  5. Step 5: Solve for x
    x = 1,047,300,530.38/26,954.88
  6. Step 6: Final answer
    x = 38,853.84

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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.