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Finding the Fourth Proportional to 51,792.49, 71,744.32 and 50,742.73

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Solution

The fourth proportional to 51,792.49, 71,744.32 and 50,742.73 is: 70,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,792.49 : 71,744.32 = 50,742.73 : x
  2. Step 2: Convert to fraction form
    51,792.49/71,744.32 = 50,742.73/x
  3. Step 3: Cross multiply
    51,792.49x = 71,744.32 × 50,742.73
  4. Step 4: Simplify right side
    51,792.49x = 3,640,502,658.79
  5. Step 5: Solve for x
    x = 3,640,502,658.79/51,792.49
  6. Step 6: Final answer
    x = 70,290.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.