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Finding the Fourth Proportional to 45,690.88, 68,489.64 and 25,927.68

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Solution

The fourth proportional to 45,690.88, 68,489.64 and 25,927.68 is: 38,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690.88 : 68,489.64 = 25,927.68 : x
  2. Step 2: Convert to fraction form
    45,690.88/68,489.64 = 25,927.68/x
  3. Step 3: Cross multiply
    45,690.88x = 68,489.64 × 25,927.68
  4. Step 4: Simplify right side
    45,690.88x = 1,775,777,469.24
  5. Step 5: Solve for x
    x = 1,775,777,469.24/45,690.88
  6. Step 6: Final answer
    x = 38,865.03

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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.