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Finding the Fourth Proportional to 69,483.17, 104,224 and 16,892.71

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Solution

The fourth proportional to 69,483.17, 104,224 and 16,892.71 is: 25,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,483.17 : 104,224 = 16,892.71 : x
  2. Step 2: Convert to fraction form
    69,483.17/104,224 = 16,892.71/x
  3. Step 3: Cross multiply
    69,483.17x = 104,224 × 16,892.71
  4. Step 4: Simplify right side
    69,483.17x = 1,760,625,807.04
  5. Step 5: Solve for x
    x = 1,760,625,807.04/69,483.17
  6. Step 6: Final answer
    x = 25,338.88

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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.