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Finding the Fourth Proportional to 66,924.80, 92,358 and 36,711.44

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Solution

The fourth proportional to 66,924.80, 92,358 and 36,711.44 is: 50,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.80 : 92,358 = 36,711.44 : x
  2. Step 2: Convert to fraction form
    66,924.80/92,358 = 36,711.44/x
  3. Step 3: Cross multiply
    66,924.80x = 92,358 × 36,711.44
  4. Step 4: Simplify right side
    66,924.80x = 3,390,595,175.52
  5. Step 5: Solve for x
    x = 3,390,595,175.52/66,924.80
  6. Step 6: Final answer
    x = 50,662.76

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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.