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Finding the Fourth Proportional to 12,463.52, 18,687.52 and 5,892.80

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Solution

The fourth proportional to 12,463.52, 18,687.52 and 5,892.80 is: 8,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.52 : 18,687.52 = 5,892.80 : x
  2. Step 2: Convert to fraction form
    12,463.52/18,687.52 = 5,892.80/x
  3. Step 3: Cross multiply
    12,463.52x = 18,687.52 × 5,892.80
  4. Step 4: Simplify right side
    12,463.52x = 110,121,817.86
  5. Step 5: Solve for x
    x = 110,121,817.86/12,463.52
  6. Step 6: Final answer
    x = 8,835.53

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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.