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Finding the Fourth Proportional to 3,571.71, 5,365.66 and 3,079.63

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Solution

The fourth proportional to 3,571.71, 5,365.66 and 3,079.63 is: 4,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.71 : 5,365.66 = 3,079.63 : x
  2. Step 2: Convert to fraction form
    3,571.71/5,365.66 = 3,079.63/x
  3. Step 3: Cross multiply
    3,571.71x = 5,365.66 × 3,079.63
  4. Step 4: Simplify right side
    3,571.71x = 16,524,247.51
  5. Step 5: Solve for x
    x = 16,524,247.51/3,571.71
  6. Step 6: Final answer
    x = 4,626.42

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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.