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Finding the Fourth Proportional to 64,564.49, 96,844.09 and 17,816.17

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Solution

The fourth proportional to 64,564.49, 96,844.09 and 17,816.17 is: 26,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,564.49 : 96,844.09 = 17,816.17 : x
  2. Step 2: Convert to fraction form
    64,564.49/96,844.09 = 17,816.17/x
  3. Step 3: Cross multiply
    64,564.49x = 96,844.09 × 17,816.17
  4. Step 4: Simplify right side
    64,564.49x = 1,725,390,770.94
  5. Step 5: Solve for x
    x = 1,725,390,770.94/64,564.49
  6. Step 6: Final answer
    x = 26,723.53

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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.