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Finding the Fourth Proportional to 64,802, 97,203 and 15,554

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Solution

The fourth proportional to 64,802, 97,203 and 15,554 is: 23,331

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,802 : 97,203 = 15,554 : x
  2. Step 2: Convert to fraction form
    64,802/97,203 = 15,554/x
  3. Step 3: Cross multiply
    64,802x = 97,203 × 15,554
  4. Step 4: Simplify right side
    64,802x = 1,511,895,462
  5. Step 5: Solve for x
    x = 1,511,895,462/64,802
  6. Step 6: Final answer
    x = 23,331

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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.