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Finding the Fourth Proportional to 45,886.48, 68,850.78 and 27,203.56

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Solution

The fourth proportional to 45,886.48, 68,850.78 and 27,203.56 is: 40,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,886.48 : 68,850.78 = 27,203.56 : x
  2. Step 2: Convert to fraction form
    45,886.48/68,850.78 = 27,203.56/x
  3. Step 3: Cross multiply
    45,886.48x = 68,850.78 × 27,203.56
  4. Step 4: Simplify right side
    45,886.48x = 1,872,986,324.78
  5. Step 5: Solve for x
    x = 1,872,986,324.78/45,886.48
  6. Step 6: Final answer
    x = 40,817.83

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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.