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Finding the Fourth Proportional to 69,751.72, 96,257.10 and 37,920.70

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Solution

The fourth proportional to 69,751.72, 96,257.10 and 37,920.70 is: 52,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,751.72 : 96,257.10 = 37,920.70 : x
  2. Step 2: Convert to fraction form
    69,751.72/96,257.10 = 37,920.70/x
  3. Step 3: Cross multiply
    69,751.72x = 96,257.10 × 37,920.70
  4. Step 4: Simplify right side
    69,751.72x = 3,650,136,611.97
  5. Step 5: Solve for x
    x = 3,650,136,611.97/69,751.72
  6. Step 6: Final answer
    x = 52,330.42

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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.