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Finding the Fourth Proportional to 24,731.01, 34,128.68 and 13,553.01

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Solution

The fourth proportional to 24,731.01, 34,128.68 and 13,553.01 is: 18,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,731.01 : 34,128.68 = 13,553.01 : x
  2. Step 2: Convert to fraction form
    24,731.01/34,128.68 = 13,553.01/x
  3. Step 3: Cross multiply
    24,731.01x = 34,128.68 × 13,553.01
  4. Step 4: Simplify right side
    24,731.01x = 462,546,273.56
  5. Step 5: Solve for x
    x = 462,546,273.56/24,731.01
  6. Step 6: Final answer
    x = 18,703.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.