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Finding the Fourth Proportional to 50,892.92, 70,229.05 and 30,737.89

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Solution

The fourth proportional to 50,892.92, 70,229.05 and 30,737.89 is: 42,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,892.92 : 70,229.05 = 30,737.89 : x
  2. Step 2: Convert to fraction form
    50,892.92/70,229.05 = 30,737.89/x
  3. Step 3: Cross multiply
    50,892.92x = 70,229.05 × 30,737.89
  4. Step 4: Simplify right side
    50,892.92x = 2,158,692,813.70
  5. Step 5: Solve for x
    x = 2,158,692,813.70/50,892.92
  6. Step 6: Final answer
    x = 42,416.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.