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Finding the Fourth Proportional to 50,611.80, 75,917.70 and 15,546.90

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Solution

The fourth proportional to 50,611.80, 75,917.70 and 15,546.90 is: 23,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,611.80 : 75,917.70 = 15,546.90 : x
  2. Step 2: Convert to fraction form
    50,611.80/75,917.70 = 15,546.90/x
  3. Step 3: Cross multiply
    50,611.80x = 75,917.70 × 15,546.90
  4. Step 4: Simplify right side
    50,611.80x = 1,180,284,890.13
  5. Step 5: Solve for x
    x = 1,180,284,890.13/50,611.80
  6. Step 6: Final answer
    x = 23,320.35

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1.5x scale

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.