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Finding the Fourth Proportional to 1,636.89, 2,455.34 and 596.89

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Solution

The fourth proportional to 1,636.89, 2,455.34 and 596.89 is: 895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.89 : 2,455.34 = 596.89 : x
  2. Step 2: Convert to fraction form
    1,636.89/2,455.34 = 596.89/x
  3. Step 3: Cross multiply
    1,636.89x = 2,455.34 × 596.89
  4. Step 4: Simplify right side
    1,636.89x = 1,465,567.89
  5. Step 5: Solve for x
    x = 1,465,567.89/1,636.89
  6. Step 6: Final answer
    x = 895.34

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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.