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Finding the Fourth Proportional to 8,571.24, 12,858.48 and 5,914.08

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Solution

The fourth proportional to 8,571.24, 12,858.48 and 5,914.08 is: 8,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.24 : 12,858.48 = 5,914.08 : x
  2. Step 2: Convert to fraction form
    8,571.24/12,858.48 = 5,914.08/x
  3. Step 3: Cross multiply
    8,571.24x = 12,858.48 × 5,914.08
  4. Step 4: Simplify right side
    8,571.24x = 76,046,079.40
  5. Step 5: Solve for x
    x = 76,046,079.40/8,571.24
  6. Step 6: Final answer
    x = 8,872.24

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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.