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Finding the Fourth Proportional to 5,537.57, 7,674.83 and 5,433.89

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Solution

The fourth proportional to 5,537.57, 7,674.83 and 5,433.89 is: 7,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.57 : 7,674.83 = 5,433.89 : x
  2. Step 2: Convert to fraction form
    5,537.57/7,674.83 = 5,433.89/x
  3. Step 3: Cross multiply
    5,537.57x = 7,674.83 × 5,433.89
  4. Step 4: Simplify right side
    5,537.57x = 41,704,181.99
  5. Step 5: Solve for x
    x = 41,704,181.99/5,537.57
  6. Step 6: Final answer
    x = 7,531.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.