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Finding the Fourth Proportional to 5,459.18, 7,524.84 and 3,687.68

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Solution

The fourth proportional to 5,459.18, 7,524.84 and 3,687.68 is: 5,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.18 : 7,524.84 = 3,687.68 : x
  2. Step 2: Convert to fraction form
    5,459.18/7,524.84 = 3,687.68/x
  3. Step 3: Cross multiply
    5,459.18x = 7,524.84 × 3,687.68
  4. Step 4: Simplify right side
    5,459.18x = 27,749,201.97
  5. Step 5: Solve for x
    x = 27,749,201.97/5,459.18
  6. Step 6: Final answer
    x = 5,083.03

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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.