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Finding the Fourth Proportional to 62,367.66, 86,158.44 and 53,969.58

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Solution

The fourth proportional to 62,367.66, 86,158.44 and 53,969.58 is: 74,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,367.66 : 86,158.44 = 53,969.58 : x
  2. Step 2: Convert to fraction form
    62,367.66/86,158.44 = 53,969.58/x
  3. Step 3: Cross multiply
    62,367.66x = 86,158.44 × 53,969.58
  4. Step 4: Simplify right side
    62,367.66x = 4,649,934,820.26
  5. Step 5: Solve for x
    x = 4,649,934,820.26/62,367.66
  6. Step 6: Final answer
    x = 74,556.83

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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.