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Finding the Fourth Proportional to 7,274.07, 10,908 and 3,573.99

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Solution

The fourth proportional to 7,274.07, 10,908 and 3,573.99 is: 5,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.07 : 10,908 = 3,573.99 : x
  2. Step 2: Convert to fraction form
    7,274.07/10,908 = 3,573.99/x
  3. Step 3: Cross multiply
    7,274.07x = 10,908 × 3,573.99
  4. Step 4: Simplify right side
    7,274.07x = 38,985,082.92
  5. Step 5: Solve for x
    x = 38,985,082.92/7,274.07
  6. Step 6: Final answer
    x = 5,359.46

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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.