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Finding the Fourth Proportional to 4,839.82, 7,262.16 and 3,609.70

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Solution

The fourth proportional to 4,839.82, 7,262.16 and 3,609.70 is: 5,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.82 : 7,262.16 = 3,609.70 : x
  2. Step 2: Convert to fraction form
    4,839.82/7,262.16 = 3,609.70/x
  3. Step 3: Cross multiply
    4,839.82x = 7,262.16 × 3,609.70
  4. Step 4: Simplify right side
    4,839.82x = 26,214,218.95
  5. Step 5: Solve for x
    x = 26,214,218.95/4,839.82
  6. Step 6: Final answer
    x = 5,416.36

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1.5x scale

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.