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Finding the Fourth Proportional to 2,658.11, 3,668.13 and 1,595.99

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Solution

The fourth proportional to 2,658.11, 3,668.13 and 1,595.99 is: 2,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.11 : 3,668.13 = 1,595.99 : x
  2. Step 2: Convert to fraction form
    2,658.11/3,668.13 = 1,595.99/x
  3. Step 3: Cross multiply
    2,658.11x = 3,668.13 × 1,595.99
  4. Step 4: Simplify right side
    2,658.11x = 5,854,280.46
  5. Step 5: Solve for x
    x = 5,854,280.46/2,658.11
  6. Step 6: Final answer
    x = 2,202.43

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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.