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Finding the Fourth Proportional to 35,658.19, 49,192.83 and 21,503.17

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Solution

The fourth proportional to 35,658.19, 49,192.83 and 21,503.17 is: 29,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.19 : 49,192.83 = 21,503.17 : x
  2. Step 2: Convert to fraction form
    35,658.19/49,192.83 = 21,503.17/x
  3. Step 3: Cross multiply
    35,658.19x = 49,192.83 × 21,503.17
  4. Step 4: Simplify right side
    35,658.19x = 1,057,801,786.27
  5. Step 5: Solve for x
    x = 1,057,801,786.27/35,658.19
  6. Step 6: Final answer
    x = 29,665.04

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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.