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Finding the Fourth Proportional to 69,508.09, 95,918.59 and 37,676.31

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Solution

The fourth proportional to 69,508.09, 95,918.59 and 37,676.31 is: 51,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,508.09 : 95,918.59 = 37,676.31 : x
  2. Step 2: Convert to fraction form
    69,508.09/95,918.59 = 37,676.31/x
  3. Step 3: Cross multiply
    69,508.09x = 95,918.59 × 37,676.31
  4. Step 4: Simplify right side
    69,508.09x = 3,613,858,219.00
  5. Step 5: Solve for x
    x = 3,613,858,219.00/69,508.09
  6. Step 6: Final answer
    x = 51,991.91

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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.