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Finding the Fourth Proportional to 50,472.58, 75,611.84 and 28,218.46

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Solution

The fourth proportional to 50,472.58, 75,611.84 and 28,218.46 is: 42,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,472.58 : 75,611.84 = 28,218.46 : x
  2. Step 2: Convert to fraction form
    50,472.58/75,611.84 = 28,218.46/x
  3. Step 3: Cross multiply
    50,472.58x = 75,611.84 × 28,218.46
  4. Step 4: Simplify right side
    50,472.58x = 2,133,649,541.47
  5. Step 5: Solve for x
    x = 2,133,649,541.47/50,472.58
  6. Step 6: Final answer
    x = 42,273.44

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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.