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Finding the Fourth Proportional to 64,732.45, 97,103.07 and 22,020.49

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Solution

The fourth proportional to 64,732.45, 97,103.07 and 22,020.49 is: 33,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,732.45 : 97,103.07 = 22,020.49 : x
  2. Step 2: Convert to fraction form
    64,732.45/97,103.07 = 22,020.49/x
  3. Step 3: Cross multiply
    64,732.45x = 97,103.07 × 22,020.49
  4. Step 4: Simplify right side
    64,732.45x = 2,138,257,181.90
  5. Step 5: Solve for x
    x = 2,138,257,181.90/64,732.45
  6. Step 6: Final answer
    x = 33,032.23

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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.