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Finding the Fourth Proportional to 11,318.52, 16,992.60 and 9,933.40

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Solution

The fourth proportional to 11,318.52, 16,992.60 and 9,933.40 is: 14,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.52 : 16,992.60 = 9,933.40 : x
  2. Step 2: Convert to fraction form
    11,318.52/16,992.60 = 9,933.40/x
  3. Step 3: Cross multiply
    11,318.52x = 16,992.60 × 9,933.40
  4. Step 4: Simplify right side
    11,318.52x = 168,794,292.84
  5. Step 5: Solve for x
    x = 168,794,292.84/11,318.52
  6. Step 6: Final answer
    x = 14,913.11

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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.