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Finding the Fourth Proportional to 8,571.44, 11,828.53 and 4,794.59

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Solution

The fourth proportional to 8,571.44, 11,828.53 and 4,794.59 is: 6,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.44 : 11,828.53 = 4,794.59 : x
  2. Step 2: Convert to fraction form
    8,571.44/11,828.53 = 4,794.59/x
  3. Step 3: Cross multiply
    8,571.44x = 11,828.53 × 4,794.59
  4. Step 4: Simplify right side
    8,571.44x = 56,712,880.52
  5. Step 5: Solve for x
    x = 56,712,880.52/8,571.44
  6. Step 6: Final answer
    x = 6,616.50

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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.