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Finding the Fourth Proportional to 50,941.92, 76,401.44 and 21,393.12

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Solution

The fourth proportional to 50,941.92, 76,401.44 and 21,393.12 is: 32,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,941.92 : 76,401.44 = 21,393.12 : x
  2. Step 2: Convert to fraction form
    50,941.92/76,401.44 = 21,393.12/x
  3. Step 3: Cross multiply
    50,941.92x = 76,401.44 × 21,393.12
  4. Step 4: Simplify right side
    50,941.92x = 1,634,465,174.09
  5. Step 5: Solve for x
    x = 1,634,465,174.09/50,941.92
  6. Step 6: Final answer
    x = 32,084.88

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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.