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Finding the Fourth Proportional to 45,474.68, 68,208.85 and 17,006.21

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Solution

The fourth proportional to 45,474.68, 68,208.85 and 17,006.21 is: 25,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,474.68 : 68,208.85 = 17,006.21 : x
  2. Step 2: Convert to fraction form
    45,474.68/68,208.85 = 17,006.21/x
  3. Step 3: Cross multiply
    45,474.68x = 68,208.85 × 17,006.21
  4. Step 4: Simplify right side
    45,474.68x = 1,159,974,250.97
  5. Step 5: Solve for x
    x = 1,159,974,250.97/45,474.68
  6. Step 6: Final answer
    x = 25,508.13

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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.