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Finding the Fourth Proportional to 45,494.37, 68,253.90 and 25,786.76

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Solution

The fourth proportional to 45,494.37, 68,253.90 and 25,786.76 is: 38,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,494.37 : 68,253.90 = 25,786.76 : x
  2. Step 2: Convert to fraction form
    45,494.37/68,253.90 = 25,786.76/x
  3. Step 3: Cross multiply
    45,494.37x = 68,253.90 × 25,786.76
  4. Step 4: Simplify right side
    45,494.37x = 1,760,046,938.36
  5. Step 5: Solve for x
    x = 1,760,046,938.36/45,494.37
  6. Step 6: Final answer
    x = 38,687.14

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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.