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Finding the Fourth Proportional to 1,658.08, 2,487.96 and 733.84

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Solution

The fourth proportional to 1,658.08, 2,487.96 and 733.84 is: 1,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.08 : 2,487.96 = 733.84 : x
  2. Step 2: Convert to fraction form
    1,658.08/2,487.96 = 733.84/x
  3. Step 3: Cross multiply
    1,658.08x = 2,487.96 × 733.84
  4. Step 4: Simplify right side
    1,658.08x = 1,825,764.57
  5. Step 5: Solve for x
    x = 1,825,764.57/1,658.08
  6. Step 6: Final answer
    x = 1,101.13

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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.