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Finding the Fourth Proportional to 36,620.40, 54,930.60 and 34,433.40

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Solution

The fourth proportional to 36,620.40, 54,930.60 and 34,433.40 is: 51,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620.40 : 54,930.60 = 34,433.40 : x
  2. Step 2: Convert to fraction form
    36,620.40/54,930.60 = 34,433.40/x
  3. Step 3: Cross multiply
    36,620.40x = 54,930.60 × 34,433.40
  4. Step 4: Simplify right side
    36,620.40x = 1,891,447,322.04
  5. Step 5: Solve for x
    x = 1,891,447,322.04/36,620.40
  6. Step 6: Final answer
    x = 51,650.10

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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.