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Finding the Fourth Proportional to 2,651.54, 3,658.68 and 1,532.43

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Solution

The fourth proportional to 2,651.54, 3,658.68 and 1,532.43 is: 2,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.54 : 3,658.68 = 1,532.43 : x
  2. Step 2: Convert to fraction form
    2,651.54/3,658.68 = 1,532.43/x
  3. Step 3: Cross multiply
    2,651.54x = 3,658.68 × 1,532.43
  4. Step 4: Simplify right side
    2,651.54x = 5,606,670.99
  5. Step 5: Solve for x
    x = 5,606,670.99/2,651.54
  6. Step 6: Final answer
    x = 2,114.50

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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.