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Finding the Fourth Proportional to 45,369.52, 68,049.96 and 15,786.16

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Solution

The fourth proportional to 45,369.52, 68,049.96 and 15,786.16 is: 23,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,369.52 : 68,049.96 = 15,786.16 : x
  2. Step 2: Convert to fraction form
    45,369.52/68,049.96 = 15,786.16/x
  3. Step 3: Cross multiply
    45,369.52x = 68,049.96 × 15,786.16
  4. Step 4: Simplify right side
    45,369.52x = 1,074,247,556.55
  5. Step 5: Solve for x
    x = 1,074,247,556.55/45,369.52
  6. Step 6: Final answer
    x = 23,677.74

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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.