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Finding the Fourth Proportional to 57,404.70, 79,220.03 and 34,738.88

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Solution

The fourth proportional to 57,404.70, 79,220.03 and 34,738.88 is: 47,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,404.70 : 79,220.03 = 34,738.88 : x
  2. Step 2: Convert to fraction form
    57,404.70/79,220.03 = 34,738.88/x
  3. Step 3: Cross multiply
    57,404.70x = 79,220.03 × 34,738.88
  4. Step 4: Simplify right side
    57,404.70x = 2,752,014,545.97
  5. Step 5: Solve for x
    x = 2,752,014,545.97/57,404.70
  6. Step 6: Final answer
    x = 47,940.58

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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.