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Finding the Fourth Proportional to 62,538, 86,302.32 and 34,243.92

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Solution

The fourth proportional to 62,538, 86,302.32 and 34,243.92 is: 47,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,538 : 86,302.32 = 34,243.92 : x
  2. Step 2: Convert to fraction form
    62,538/86,302.32 = 34,243.92/x
  3. Step 3: Cross multiply
    62,538x = 86,302.32 × 34,243.92
  4. Step 4: Simplify right side
    62,538x = 2,955,329,741.89
  5. Step 5: Solve for x
    x = 2,955,329,741.89/62,538
  6. Step 6: Final answer
    x = 47,256.54

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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.