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Finding the Fourth Proportional to 62,556.56, 86,326.80 and 34,262

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Solution

The fourth proportional to 62,556.56, 86,326.80 and 34,262 is: 47,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,556.56 : 86,326.80 = 34,262 : x
  2. Step 2: Convert to fraction form
    62,556.56/86,326.80 = 34,262/x
  3. Step 3: Cross multiply
    62,556.56x = 86,326.80 × 34,262
  4. Step 4: Simplify right side
    62,556.56x = 2,957,728,821.60
  5. Step 5: Solve for x
    x = 2,957,728,821.60/62,556.56
  6. Step 6: Final answer
    x = 47,280.87

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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.