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Finding the Fourth Proportional to 2,651.45, 3,658.97 and 1,532.49

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Solution

The fourth proportional to 2,651.45, 3,658.97 and 1,532.49 is: 2,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.45 : 3,658.97 = 1,532.49 : x
  2. Step 2: Convert to fraction form
    2,651.45/3,658.97 = 1,532.49/x
  3. Step 3: Cross multiply
    2,651.45x = 3,658.97 × 1,532.49
  4. Step 4: Simplify right side
    2,651.45x = 5,607,316.64
  5. Step 5: Solve for x
    x = 5,607,316.64/2,651.45
  6. Step 6: Final answer
    x = 2,114.82

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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.