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Finding the Fourth Proportional to 50,857.92, 70,126.56 and 41,630.40

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Solution

The fourth proportional to 50,857.92, 70,126.56 and 41,630.40 is: 57,402.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,857.92 : 70,126.56 = 41,630.40 : x
  2. Step 2: Convert to fraction form
    50,857.92/70,126.56 = 41,630.40/x
  3. Step 3: Cross multiply
    50,857.92x = 70,126.56 × 41,630.40
  4. Step 4: Simplify right side
    50,857.92x = 2,919,396,743.42
  5. Step 5: Solve for x
    x = 2,919,396,743.42/50,857.92
  6. Step 6: Final answer
    x = 57,402.99

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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.