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Finding the Fourth Proportional to 62,105, 85,726.50 and 36,953.96

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Solution

The fourth proportional to 62,105, 85,726.50 and 36,953.96 is: 51,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,105 : 85,726.50 = 36,953.96 : x
  2. Step 2: Convert to fraction form
    62,105/85,726.50 = 36,953.96/x
  3. Step 3: Cross multiply
    62,105x = 85,726.50 × 36,953.96
  4. Step 4: Simplify right side
    62,105x = 3,167,933,651.94
  5. Step 5: Solve for x
    x = 3,167,933,651.94/62,105
  6. Step 6: Final answer
    x = 51,009.32

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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.