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Finding the Fourth Proportional to 11,232.70, 16,812.60 and 11,232.70

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Solution

The fourth proportional to 11,232.70, 16,812.60 and 11,232.70 is: 16,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.70 : 16,812.60 = 11,232.70 : x
  2. Step 2: Convert to fraction form
    11,232.70/16,812.60 = 11,232.70/x
  3. Step 3: Cross multiply
    11,232.70x = 16,812.60 × 11,232.70
  4. Step 4: Simplify right side
    11,232.70x = 188,850,892.02
  5. Step 5: Solve for x
    x = 188,850,892.02/11,232.70
  6. Step 6: Final answer
    x = 16,812.60

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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.