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Finding the Fourth Proportional to 45,956.90, 68,935.62 and 16,375.88

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Solution

The fourth proportional to 45,956.90, 68,935.62 and 16,375.88 is: 24,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,956.90 : 68,935.62 = 16,375.88 : x
  2. Step 2: Convert to fraction form
    45,956.90/68,935.62 = 16,375.88/x
  3. Step 3: Cross multiply
    45,956.90x = 68,935.62 × 16,375.88
  4. Step 4: Simplify right side
    45,956.90x = 1,128,881,440.85
  5. Step 5: Solve for x
    x = 1,128,881,440.85/45,956.90
  6. Step 6: Final answer
    x = 24,563.92

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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.