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Finding the Fourth Proportional to 5,274.77, 7,908.97 and 3,629.51

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Solution

The fourth proportional to 5,274.77, 7,908.97 and 3,629.51 is: 5,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.77 : 7,908.97 = 3,629.51 : x
  2. Step 2: Convert to fraction form
    5,274.77/7,908.97 = 3,629.51/x
  3. Step 3: Cross multiply
    5,274.77x = 7,908.97 × 3,629.51
  4. Step 4: Simplify right side
    5,274.77x = 28,705,663.34
  5. Step 5: Solve for x
    x = 28,705,663.34/5,274.77
  6. Step 6: Final answer
    x = 5,442.07

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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.