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Finding the Fourth Proportional to 64,363.62, 96,530.06 and 22,245.20

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Solution

The fourth proportional to 64,363.62, 96,530.06 and 22,245.20 is: 33,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,363.62 : 96,530.06 = 22,245.20 : x
  2. Step 2: Convert to fraction form
    64,363.62/96,530.06 = 22,245.20/x
  3. Step 3: Cross multiply
    64,363.62x = 96,530.06 × 22,245.20
  4. Step 4: Simplify right side
    64,363.62x = 2,147,329,896.84
  5. Step 5: Solve for x
    x = 2,147,329,896.84/64,363.62
  6. Step 6: Final answer
    x = 33,362.48

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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.