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Finding the Fourth Proportional to 50,611.40, 75,927.80 and 19,021.74

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Solution

The fourth proportional to 50,611.40, 75,927.80 and 19,021.74 is: 28,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,611.40 : 75,927.80 = 19,021.74 : x
  2. Step 2: Convert to fraction form
    50,611.40/75,927.80 = 19,021.74/x
  3. Step 3: Cross multiply
    50,611.40x = 75,927.80 × 19,021.74
  4. Step 4: Simplify right side
    50,611.40x = 1,444,278,870.37
  5. Step 5: Solve for x
    x = 1,444,278,870.37/50,611.40
  6. Step 6: Final answer
    x = 28,536.63

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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.