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Finding the Fourth Proportional to 66,754.73, 92,221.58 and 43,838.92

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Solution

The fourth proportional to 66,754.73, 92,221.58 and 43,838.92 is: 60,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,754.73 : 92,221.58 = 43,838.92 : x
  2. Step 2: Convert to fraction form
    66,754.73/92,221.58 = 43,838.92/x
  3. Step 3: Cross multiply
    66,754.73x = 92,221.58 × 43,838.92
  4. Step 4: Simplify right side
    66,754.73x = 4,042,894,467.89
  5. Step 5: Solve for x
    x = 4,042,894,467.89/66,754.73
  6. Step 6: Final answer
    x = 60,563.42

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1.5x scale

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.