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Finding the Fourth Proportional to 69,937.60, 96,514.32 and 41,644.48

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Solution

The fourth proportional to 69,937.60, 96,514.32 and 41,644.48 is: 57,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,937.60 : 96,514.32 = 41,644.48 : x
  2. Step 2: Convert to fraction form
    69,937.60/96,514.32 = 41,644.48/x
  3. Step 3: Cross multiply
    69,937.60x = 96,514.32 × 41,644.48
  4. Step 4: Simplify right side
    69,937.60x = 4,019,288,668.95
  5. Step 5: Solve for x
    x = 4,019,288,668.95/69,937.60
  6. Step 6: Final answer
    x = 57,469.64

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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.