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Finding the Fourth Proportional to 64,647.05, 96,972.19 and 17,900.33

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Solution

The fourth proportional to 64,647.05, 96,972.19 and 17,900.33 is: 26,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,647.05 : 96,972.19 = 17,900.33 : x
  2. Step 2: Convert to fraction form
    64,647.05/96,972.19 = 17,900.33/x
  3. Step 3: Cross multiply
    64,647.05x = 96,972.19 × 17,900.33
  4. Step 4: Simplify right side
    64,647.05x = 1,735,833,672.21
  5. Step 5: Solve for x
    x = 1,735,833,672.21/64,647.05
  6. Step 6: Final answer
    x = 26,850.94

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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.