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Finding the Fourth Proportional to 50,473.92, 75,741.12 and 20,892.16

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Solution

The fourth proportional to 50,473.92, 75,741.12 and 20,892.16 is: 31,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,473.92 : 75,741.12 = 20,892.16 : x
  2. Step 2: Convert to fraction form
    50,473.92/75,741.12 = 20,892.16/x
  3. Step 3: Cross multiply
    50,473.92x = 75,741.12 × 20,892.16
  4. Step 4: Simplify right side
    50,473.92x = 1,582,395,597.62
  5. Step 5: Solve for x
    x = 1,582,395,597.62/50,473.92
  6. Step 6: Final answer
    x = 31,350.76

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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.