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Finding the Fourth Proportional to 62,586.96, 86,378.04 and 35,723.31

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Solution

The fourth proportional to 62,586.96, 86,378.04 and 35,723.31 is: 49,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,586.96 : 86,378.04 = 35,723.31 : x
  2. Step 2: Convert to fraction form
    62,586.96/86,378.04 = 35,723.31/x
  3. Step 3: Cross multiply
    62,586.96x = 86,378.04 × 35,723.31
  4. Step 4: Simplify right side
    62,586.96x = 3,085,709,500.11
  5. Step 5: Solve for x
    x = 3,085,709,500.11/62,586.96
  6. Step 6: Final answer
    x = 49,302.75

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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.