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Finding the Fourth Proportional to 50,397.75, 75,412.08 and 47,694.11

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Solution

The fourth proportional to 50,397.75, 75,412.08 and 47,694.11 is: 71,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,397.75 : 75,412.08 = 47,694.11 : x
  2. Step 2: Convert to fraction form
    50,397.75/75,412.08 = 47,694.11/x
  3. Step 3: Cross multiply
    50,397.75x = 75,412.08 × 47,694.11
  4. Step 4: Simplify right side
    50,397.75x = 3,596,711,661.79
  5. Step 5: Solve for x
    x = 3,596,711,661.79/50,397.75
  6. Step 6: Final answer
    x = 71,366.51

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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.