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Finding the Fourth Proportional to 50,960.88, 76,008.42 and 47,785.68

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Solution

The fourth proportional to 50,960.88, 76,008.42 and 47,785.68 is: 71,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,960.88 : 76,008.42 = 47,785.68 : x
  2. Step 2: Convert to fraction form
    50,960.88/76,008.42 = 47,785.68/x
  3. Step 3: Cross multiply
    50,960.88x = 76,008.42 × 47,785.68
  4. Step 4: Simplify right side
    50,960.88x = 3,632,114,035.43
  5. Step 5: Solve for x
    x = 3,632,114,035.43/50,960.88
  6. Step 6: Final answer
    x = 71,272.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.