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Finding the Fourth Proportional to 62,824.80, 86,687.76 and 41,632.80

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Solution

The fourth proportional to 62,824.80, 86,687.76 and 41,632.80 is: 57,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,824.80 : 86,687.76 = 41,632.80 : x
  2. Step 2: Convert to fraction form
    62,824.80/86,687.76 = 41,632.80/x
  3. Step 3: Cross multiply
    62,824.80x = 86,687.76 × 41,632.80
  4. Step 4: Simplify right side
    62,824.80x = 3,609,054,174.53
  5. Step 5: Solve for x
    x = 3,609,054,174.53/62,824.80
  6. Step 6: Final answer
    x = 57,446.33

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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.