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Finding the Fourth Proportional to 69,476.52, 95,893.35 and 39,279.39

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Solution

The fourth proportional to 69,476.52, 95,893.35 and 39,279.39 is: 54,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,476.52 : 95,893.35 = 39,279.39 : x
  2. Step 2: Convert to fraction form
    69,476.52/95,893.35 = 39,279.39/x
  3. Step 3: Cross multiply
    69,476.52x = 95,893.35 × 39,279.39
  4. Step 4: Simplify right side
    69,476.52x = 3,766,632,293.06
  5. Step 5: Solve for x
    x = 3,766,632,293.06/69,476.52
  6. Step 6: Final answer
    x = 54,214.46

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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.