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Finding the Fourth Proportional to 62,203.96, 85,855.38 and 39,538.54

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Solution

The fourth proportional to 62,203.96, 85,855.38 and 39,538.54 is: 54,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,203.96 : 85,855.38 = 39,538.54 : x
  2. Step 2: Convert to fraction form
    62,203.96/85,855.38 = 39,538.54/x
  3. Step 3: Cross multiply
    62,203.96x = 85,855.38 × 39,538.54
  4. Step 4: Simplify right side
    62,203.96x = 3,394,596,376.35
  5. Step 5: Solve for x
    x = 3,394,596,376.35/62,203.96
  6. Step 6: Final answer
    x = 54,572.03

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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.