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Finding the Fourth Proportional to 62,873.64, 86,765.98 and 34,193.64

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Solution

The fourth proportional to 62,873.64, 86,765.98 and 34,193.64 is: 47,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,873.64 : 86,765.98 = 34,193.64 : x
  2. Step 2: Convert to fraction form
    62,873.64/86,765.98 = 34,193.64/x
  3. Step 3: Cross multiply
    62,873.64x = 86,765.98 × 34,193.64
  4. Step 4: Simplify right side
    62,873.64x = 2,966,844,684.37
  5. Step 5: Solve for x
    x = 2,966,844,684.37/62,873.64
  6. Step 6: Final answer
    x = 47,187.42

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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.