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Finding the Fourth Proportional to 45,956.66, 68,940.54 and 16,377.48

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Solution

The fourth proportional to 45,956.66, 68,940.54 and 16,377.48 is: 24,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,956.66 : 68,940.54 = 16,377.48 : x
  2. Step 2: Convert to fraction form
    45,956.66/68,940.54 = 16,377.48/x
  3. Step 3: Cross multiply
    45,956.66x = 68,940.54 × 16,377.48
  4. Step 4: Simplify right side
    45,956.66x = 1,129,072,315.04
  5. Step 5: Solve for x
    x = 1,129,072,315.04/45,956.66
  6. Step 6: Final answer
    x = 24,568.20

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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.