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Finding the Fourth Proportional to 34,553, 51,827.45 and 20,329.47

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Solution

The fourth proportional to 34,553, 51,827.45 and 20,329.47 is: 30,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,553 : 51,827.45 = 20,329.47 : x
  2. Step 2: Convert to fraction form
    34,553/51,827.45 = 20,329.47/x
  3. Step 3: Cross multiply
    34,553x = 51,827.45 × 20,329.47
  4. Step 4: Simplify right side
    34,553x = 1,053,624,589.95
  5. Step 5: Solve for x
    x = 1,053,624,589.95/34,553
  6. Step 6: Final answer
    x = 30,493.00

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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.