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Finding the Fourth Proportional to 6,170.12, 8,571.84 and 6,112.47

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Solution

The fourth proportional to 6,170.12, 8,571.84 and 6,112.47 is: 8,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.12 : 8,571.84 = 6,112.47 : x
  2. Step 2: Convert to fraction form
    6,170.12/8,571.84 = 6,112.47/x
  3. Step 3: Cross multiply
    6,170.12x = 8,571.84 × 6,112.47
  4. Step 4: Simplify right side
    6,170.12x = 52,395,114.84
  5. Step 5: Solve for x
    x = 52,395,114.84/6,170.12
  6. Step 6: Final answer
    x = 8,491.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.