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Finding the Fourth Proportional to 62,790.96, 86,601.31 and 41,302.74

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Solution

The fourth proportional to 62,790.96, 86,601.31 and 41,302.74 is: 56,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,790.96 : 86,601.31 = 41,302.74 : x
  2. Step 2: Convert to fraction form
    62,790.96/86,601.31 = 41,302.74/x
  3. Step 3: Cross multiply
    62,790.96x = 86,601.31 × 41,302.74
  4. Step 4: Simplify right side
    62,790.96x = 3,576,871,390.59
  5. Step 5: Solve for x
    x = 3,576,871,390.59/62,790.96
  6. Step 6: Final answer
    x = 56,964.75

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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.