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Finding the Fourth Proportional to 45,955.84, 68,797.68 and 28,369.12

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Solution

The fourth proportional to 45,955.84, 68,797.68 and 28,369.12 is: 42,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,955.84 : 68,797.68 = 28,369.12 : x
  2. Step 2: Convert to fraction form
    45,955.84/68,797.68 = 28,369.12/x
  3. Step 3: Cross multiply
    45,955.84x = 68,797.68 × 28,369.12
  4. Step 4: Simplify right side
    45,955.84x = 1,951,729,639.64
  5. Step 5: Solve for x
    x = 1,951,729,639.64/45,955.84
  6. Step 6: Final answer
    x = 42,469.68

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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.