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Finding the Fourth Proportional to 28,806, 39,753 and 17,476.08

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Solution

The fourth proportional to 28,806, 39,753 and 17,476.08 is: 24,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806 : 39,753 = 17,476.08 : x
  2. Step 2: Convert to fraction form
    28,806/39,753 = 17,476.08/x
  3. Step 3: Cross multiply
    28,806x = 39,753 × 17,476.08
  4. Step 4: Simplify right side
    28,806x = 694,726,608.24
  5. Step 5: Solve for x
    x = 694,726,608.24/28,806
  6. Step 6: Final answer
    x = 24,117.43

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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.