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Finding the Fourth Proportional to 49,346.80, 73,874.40 and 43,514.80

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Solution

The fourth proportional to 49,346.80, 73,874.40 and 43,514.80 is: 65,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,346.80 : 73,874.40 = 43,514.80 : x
  2. Step 2: Convert to fraction form
    49,346.80/73,874.40 = 43,514.80/x
  3. Step 3: Cross multiply
    49,346.80x = 73,874.40 × 43,514.80
  4. Step 4: Simplify right side
    49,346.80x = 3,214,629,741.12
  5. Step 5: Solve for x
    x = 3,214,629,741.12/49,346.80
  6. Step 6: Final answer
    x = 65,143.63

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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.