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Finding the Fourth Proportional to 50,793.68, 76,117.93 and 28,560.40

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Solution

The fourth proportional to 50,793.68, 76,117.93 and 28,560.40 is: 42,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,793.68 : 76,117.93 = 28,560.40 : x
  2. Step 2: Convert to fraction form
    50,793.68/76,117.93 = 28,560.40/x
  3. Step 3: Cross multiply
    50,793.68x = 76,117.93 × 28,560.40
  4. Step 4: Simplify right side
    50,793.68x = 2,173,958,266.28
  5. Step 5: Solve for x
    x = 2,173,958,266.28/50,793.68
  6. Step 6: Final answer
    x = 42,799.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.