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Finding the Fourth Proportional to 69,853.97, 96,214.84 and 53,690.37

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Solution

The fourth proportional to 69,853.97, 96,214.84 and 53,690.37 is: 73,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,853.97 : 96,214.84 = 53,690.37 : x
  2. Step 2: Convert to fraction form
    69,853.97/96,214.84 = 53,690.37/x
  3. Step 3: Cross multiply
    69,853.97x = 96,214.84 × 53,690.37
  4. Step 4: Simplify right side
    69,853.97x = 5,165,810,134.66
  5. Step 5: Solve for x
    x = 5,165,810,134.66/69,853.97
  6. Step 6: Final answer
    x = 73,951.56

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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.