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Finding the Fourth Proportional to 3,292.71, 4,929.89 and 2,250.51

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Solution

The fourth proportional to 3,292.71, 4,929.89 and 2,250.51 is: 3,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.71 : 4,929.89 = 2,250.51 : x
  2. Step 2: Convert to fraction form
    3,292.71/4,929.89 = 2,250.51/x
  3. Step 3: Cross multiply
    3,292.71x = 4,929.89 × 2,250.51
  4. Step 4: Simplify right side
    3,292.71x = 11,094,755.49
  5. Step 5: Solve for x
    x = 11,094,755.49/3,292.71
  6. Step 6: Final answer
    x = 3,369.49

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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.