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Finding the Fourth Proportional to 6,262.54, 8,642.25 and 3,609.89

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Solution

The fourth proportional to 6,262.54, 8,642.25 and 3,609.89 is: 4,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.54 : 8,642.25 = 3,609.89 : x
  2. Step 2: Convert to fraction form
    6,262.54/8,642.25 = 3,609.89/x
  3. Step 3: Cross multiply
    6,262.54x = 8,642.25 × 3,609.89
  4. Step 4: Simplify right side
    6,262.54x = 31,197,571.85
  5. Step 5: Solve for x
    x = 31,197,571.85/6,262.54
  6. Step 6: Final answer
    x = 4,981.62

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1.5x scale

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.