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Finding the Fourth Proportional to 69,725.52, 96,221.97 and 37,894.43

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Solution

The fourth proportional to 69,725.52, 96,221.97 and 37,894.43 is: 52,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,725.52 : 96,221.97 = 37,894.43 : x
  2. Step 2: Convert to fraction form
    69,725.52/96,221.97 = 37,894.43/x
  3. Step 3: Cross multiply
    69,725.52x = 96,221.97 × 37,894.43
  4. Step 4: Simplify right side
    69,725.52x = 3,646,276,225.52
  5. Step 5: Solve for x
    x = 3,646,276,225.52/69,725.52
  6. Step 6: Final answer
    x = 52,294.72

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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.