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Finding the Fourth Proportional to 62,761.44, 86,613.12 and 37,606.08

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Solution

The fourth proportional to 62,761.44, 86,613.12 and 37,606.08 is: 51,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,761.44 : 86,613.12 = 37,606.08 : x
  2. Step 2: Convert to fraction form
    62,761.44/86,613.12 = 37,606.08/x
  3. Step 3: Cross multiply
    62,761.44x = 86,613.12 × 37,606.08
  4. Step 4: Simplify right side
    62,761.44x = 3,257,179,919.77
  5. Step 5: Solve for x
    x = 3,257,179,919.77/62,761.44
  6. Step 6: Final answer
    x = 51,897.79

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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.