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Finding the Fourth Proportional to 50,168.80, 69,236.05 and 27,812.80

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Solution

The fourth proportional to 50,168.80, 69,236.05 and 27,812.80 is: 38,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,168.80 : 69,236.05 = 27,812.80 : x
  2. Step 2: Convert to fraction form
    50,168.80/69,236.05 = 27,812.80/x
  3. Step 3: Cross multiply
    50,168.80x = 69,236.05 × 27,812.80
  4. Step 4: Simplify right side
    50,168.80x = 1,925,648,065.26
  5. Step 5: Solve for x
    x = 1,925,648,065.26/50,168.80
  6. Step 6: Final answer
    x = 38,383.38

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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.