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Finding the Fourth Proportional to 69,500, 95,909.46 and 37,668.08

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Solution

The fourth proportional to 69,500, 95,909.46 and 37,668.08 is: 51,981.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,500 : 95,909.46 = 37,668.08 : x
  2. Step 2: Convert to fraction form
    69,500/95,909.46 = 37,668.08/x
  3. Step 3: Cross multiply
    69,500x = 95,909.46 × 37,668.08
  4. Step 4: Simplify right side
    69,500x = 3,612,725,212.04
  5. Step 5: Solve for x
    x = 3,612,725,212.04/69,500
  6. Step 6: Final answer
    x = 51,981.66

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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.