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Finding the Fourth Proportional to 62,855.67, 86,759.21 and 37,379.96

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Solution

The fourth proportional to 62,855.67, 86,759.21 and 37,379.96 is: 51,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,855.67 : 86,759.21 = 37,379.96 : x
  2. Step 2: Convert to fraction form
    62,855.67/86,759.21 = 37,379.96/x
  3. Step 3: Cross multiply
    62,855.67x = 86,759.21 × 37,379.96
  4. Step 4: Simplify right side
    62,855.67x = 3,243,055,178.74
  5. Step 5: Solve for x
    x = 3,243,055,178.74/62,855.67
  6. Step 6: Final answer
    x = 51,595.27

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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.