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Finding the Fourth Proportional to 8,571.96, 12,857.08 and 6,083.76

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Solution

The fourth proportional to 8,571.96, 12,857.08 and 6,083.76 is: 9,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.96 : 12,857.08 = 6,083.76 : x
  2. Step 2: Convert to fraction form
    8,571.96/12,857.08 = 6,083.76/x
  3. Step 3: Cross multiply
    8,571.96x = 12,857.08 × 6,083.76
  4. Step 4: Simplify right side
    8,571.96x = 78,219,389.02
  5. Step 5: Solve for x
    x = 78,219,389.02/8,571.96
  6. Step 6: Final answer
    x = 9,125.03

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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.