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Finding the Fourth Proportional to 2,788, 3,847.52 and 1,546.08

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Solution

The fourth proportional to 2,788, 3,847.52 and 1,546.08 is: 2,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788 : 3,847.52 = 1,546.08 : x
  2. Step 2: Convert to fraction form
    2,788/3,847.52 = 1,546.08/x
  3. Step 3: Cross multiply
    2,788x = 3,847.52 × 1,546.08
  4. Step 4: Simplify right side
    2,788x = 5,948,573.72
  5. Step 5: Solve for x
    x = 5,948,573.72/2,788
  6. Step 6: Final answer
    x = 2,133.63

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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.