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Finding the Fourth Proportional to 45,786.79, 68,687.07 and 16,204.92

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Solution

The fourth proportional to 45,786.79, 68,687.07 and 16,204.92 is: 24,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.79 : 68,687.07 = 16,204.92 : x
  2. Step 2: Convert to fraction form
    45,786.79/68,687.07 = 16,204.92/x
  3. Step 3: Cross multiply
    45,786.79x = 68,687.07 × 16,204.92
  4. Step 4: Simplify right side
    45,786.79x = 1,113,068,474.38
  5. Step 5: Solve for x
    x = 1,113,068,474.38/45,786.79
  6. Step 6: Final answer
    x = 24,309.82

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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.