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Finding the Fourth Proportional to 36,974.87, 55,462.26 and 8,894.90

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Solution

The fourth proportional to 36,974.87, 55,462.26 and 8,894.90 is: 13,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,974.87 : 55,462.26 = 8,894.90 : x
  2. Step 2: Convert to fraction form
    36,974.87/55,462.26 = 8,894.90/x
  3. Step 3: Cross multiply
    36,974.87x = 55,462.26 × 8,894.90
  4. Step 4: Simplify right side
    36,974.87x = 493,331,256.47
  5. Step 5: Solve for x
    x = 493,331,256.47/36,974.87
  6. Step 6: Final answer
    x = 13,342.34

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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.