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Finding the Fourth Proportional to 36,880.76, 50,893.91 and 20,113.76

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Solution

The fourth proportional to 36,880.76, 50,893.91 and 20,113.76 is: 27,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,880.76 : 50,893.91 = 20,113.76 : x
  2. Step 2: Convert to fraction form
    36,880.76/50,893.91 = 20,113.76/x
  3. Step 3: Cross multiply
    36,880.76x = 50,893.91 × 20,113.76
  4. Step 4: Simplify right side
    36,880.76x = 1,023,667,536.16
  5. Step 5: Solve for x
    x = 1,023,667,536.16/36,880.76
  6. Step 6: Final answer
    x = 27,756.14

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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.