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Finding the Fourth Proportional to 35,553.69, 49,064.40 and 19,638.41

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Solution

The fourth proportional to 35,553.69, 49,064.40 and 19,638.41 is: 27,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,553.69 : 49,064.40 = 19,638.41 : x
  2. Step 2: Convert to fraction form
    35,553.69/49,064.40 = 19,638.41/x
  3. Step 3: Cross multiply
    35,553.69x = 49,064.40 × 19,638.41
  4. Step 4: Simplify right side
    35,553.69x = 963,546,558.28
  5. Step 5: Solve for x
    x = 963,546,558.28/35,553.69
  6. Step 6: Final answer
    x = 27,101.17

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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.