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Finding the Fourth Proportional to 11,240.70, 16,824.60 and 11,240.70

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Solution

The fourth proportional to 11,240.70, 16,824.60 and 11,240.70 is: 16,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.70 : 16,824.60 = 11,240.70 : x
  2. Step 2: Convert to fraction form
    11,240.70/16,824.60 = 11,240.70/x
  3. Step 3: Cross multiply
    11,240.70x = 16,824.60 × 11,240.70
  4. Step 4: Simplify right side
    11,240.70x = 189,120,281.22
  5. Step 5: Solve for x
    x = 189,120,281.22/11,240.70
  6. Step 6: Final answer
    x = 16,824.60

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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.