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Finding the Fourth Proportional to 50,703.80, 75,981.74 and 28,523.40

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Solution

The fourth proportional to 50,703.80, 75,981.74 and 28,523.40 is: 42,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,703.80 : 75,981.74 = 28,523.40 : x
  2. Step 2: Convert to fraction form
    50,703.80/75,981.74 = 28,523.40/x
  3. Step 3: Cross multiply
    50,703.80x = 75,981.74 × 28,523.40
  4. Step 4: Simplify right side
    50,703.80x = 2,167,257,562.72
  5. Step 5: Solve for x
    x = 2,167,257,562.72/50,703.80
  6. Step 6: Final answer
    x = 42,743.49

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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.