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Finding the Fourth Proportional to 8,777.53, 13,171.50 and 3,234.77

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Solution

The fourth proportional to 8,777.53, 13,171.50 and 3,234.77 is: 4,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.53 : 13,171.50 = 3,234.77 : x
  2. Step 2: Convert to fraction form
    8,777.53/13,171.50 = 3,234.77/x
  3. Step 3: Cross multiply
    8,777.53x = 13,171.50 × 3,234.77
  4. Step 4: Simplify right side
    8,777.53x = 42,606,773.06
  5. Step 5: Solve for x
    x = 42,606,773.06/8,777.53
  6. Step 6: Final answer
    x = 4,854.07

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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.