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Finding the Fourth Proportional to 8,914.37, 12,302.52 and 4,935.85

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Solution

The fourth proportional to 8,914.37, 12,302.52 and 4,935.85 is: 6,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.37 : 12,302.52 = 4,935.85 : x
  2. Step 2: Convert to fraction form
    8,914.37/12,302.52 = 4,935.85/x
  3. Step 3: Cross multiply
    8,914.37x = 12,302.52 × 4,935.85
  4. Step 4: Simplify right side
    8,914.37x = 60,723,344.08
  5. Step 5: Solve for x
    x = 60,723,344.08/8,914.37
  6. Step 6: Final answer
    x = 6,811.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.