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Finding the Fourth Proportional to 50,170.80, 69,238.81 and 27,814.80

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Solution

The fourth proportional to 50,170.80, 69,238.81 and 27,814.80 is: 38,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,170.80 : 69,238.81 = 27,814.80 : x
  2. Step 2: Convert to fraction form
    50,170.80/69,238.81 = 27,814.80/x
  3. Step 3: Cross multiply
    50,170.80x = 69,238.81 × 27,814.80
  4. Step 4: Simplify right side
    50,170.80x = 1,925,863,652.39
  5. Step 5: Solve for x
    x = 1,925,863,652.39/50,170.80
  6. Step 6: Final answer
    x = 38,386.15

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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.