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Finding the Fourth Proportional to 84,993.63, 127,493.14 and 25,829.81

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Solution

The fourth proportional to 84,993.63, 127,493.14 and 25,829.81 is: 38,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,993.63 : 127,493.14 = 25,829.81 : x
  2. Step 2: Convert to fraction form
    84,993.63/127,493.14 = 25,829.81/x
  3. Step 3: Cross multiply
    84,993.63x = 127,493.14 × 25,829.81
  4. Step 4: Simplify right side
    84,993.63x = 3,293,123,582.50
  5. Step 5: Solve for x
    x = 3,293,123,582.50/84,993.63
  6. Step 6: Final answer
    x = 38,745.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.