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Finding the Fourth Proportional to 11,043.70, 16,573.65 and 7,344.70

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Solution

The fourth proportional to 11,043.70, 16,573.65 and 7,344.70 is: 11,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.70 : 16,573.65 = 7,344.70 : x
  2. Step 2: Convert to fraction form
    11,043.70/16,573.65 = 7,344.70/x
  3. Step 3: Cross multiply
    11,043.70x = 16,573.65 × 7,344.70
  4. Step 4: Simplify right side
    11,043.70x = 121,728,487.16
  5. Step 5: Solve for x
    x = 121,728,487.16/11,043.70
  6. Step 6: Final answer
    x = 11,022.44

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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.