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Finding the Fourth Proportional to 3,887.99, 5,835.74 and 3,677.27

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Solution

The fourth proportional to 3,887.99, 5,835.74 and 3,677.27 is: 5,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.99 : 5,835.74 = 3,677.27 : x
  2. Step 2: Convert to fraction form
    3,887.99/5,835.74 = 3,677.27/x
  3. Step 3: Cross multiply
    3,887.99x = 5,835.74 × 3,677.27
  4. Step 4: Simplify right side
    3,887.99x = 21,459,571.64
  5. Step 5: Solve for x
    x = 21,459,571.64/3,887.99
  6. Step 6: Final answer
    x = 5,519.45

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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.