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Finding the Fourth Proportional to 69,474.09, 95,839 and 43,937.44

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Solution

The fourth proportional to 69,474.09, 95,839 and 43,937.44 is: 60,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,474.09 : 95,839 = 43,937.44 : x
  2. Step 2: Convert to fraction form
    69,474.09/95,839 = 43,937.44/x
  3. Step 3: Cross multiply
    69,474.09x = 95,839 × 43,937.44
  4. Step 4: Simplify right side
    69,474.09x = 4,210,920,312.16
  5. Step 5: Solve for x
    x = 4,210,920,312.16/69,474.09
  6. Step 6: Final answer
    x = 60,611.38

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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.