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Finding the Fourth Proportional to 60,668.64, 91,049.54 and 41,648.63

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Solution

The fourth proportional to 60,668.64, 91,049.54 and 41,648.63 is: 62,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,668.64 : 91,049.54 = 41,648.63 : x
  2. Step 2: Convert to fraction form
    60,668.64/91,049.54 = 41,648.63/x
  3. Step 3: Cross multiply
    60,668.64x = 91,049.54 × 41,648.63
  4. Step 4: Simplify right side
    60,668.64x = 3,792,087,939.64
  5. Step 5: Solve for x
    x = 3,792,087,939.64/60,668.64
  6. Step 6: Final answer
    x = 62,504.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.