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Finding the Fourth Proportional to 67,956.84, 93,747.87 and 47,824.90

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Solution

The fourth proportional to 67,956.84, 93,747.87 and 47,824.90 is: 65,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,956.84 : 93,747.87 = 47,824.90 : x
  2. Step 2: Convert to fraction form
    67,956.84/93,747.87 = 47,824.90/x
  3. Step 3: Cross multiply
    67,956.84x = 93,747.87 × 47,824.90
  4. Step 4: Simplify right side
    67,956.84x = 4,483,482,273.59
  5. Step 5: Solve for x
    x = 4,483,482,273.59/67,956.84
  6. Step 6: Final answer
    x = 65,975.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.