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Finding the Fourth Proportional to 12,468.93, 18,687.76 and 6,230.68

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Solution

The fourth proportional to 12,468.93, 18,687.76 and 6,230.68 is: 9,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.93 : 18,687.76 = 6,230.68 : x
  2. Step 2: Convert to fraction form
    12,468.93/18,687.76 = 6,230.68/x
  3. Step 3: Cross multiply
    12,468.93x = 18,687.76 × 6,230.68
  4. Step 4: Simplify right side
    12,468.93x = 116,437,452.48
  5. Step 5: Solve for x
    x = 116,437,452.48/12,468.93
  6. Step 6: Final answer
    x = 9,338.21

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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.