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Finding the Fourth Proportional to 62,753.80, 86,556.54 and 53,256.96

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Solution

The fourth proportional to 62,753.80, 86,556.54 and 53,256.96 is: 73,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,753.80 : 86,556.54 = 53,256.96 : x
  2. Step 2: Convert to fraction form
    62,753.80/86,556.54 = 53,256.96/x
  3. Step 3: Cross multiply
    62,753.80x = 86,556.54 × 53,256.96
  4. Step 4: Simplify right side
    62,753.80x = 4,609,738,188.52
  5. Step 5: Solve for x
    x = 4,609,738,188.52/62,753.80
  6. Step 6: Final answer
    x = 73,457.51

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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.