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Finding the Fourth Proportional to 13,553.92, 18,533.63 and 13,553.92

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Solution

The fourth proportional to 13,553.92, 18,533.63 and 13,553.92 is: 18,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.92 : 18,533.63 = 13,553.92 : x
  2. Step 2: Convert to fraction form
    13,553.92/18,533.63 = 13,553.92/x
  3. Step 3: Cross multiply
    13,553.92x = 18,533.63 × 13,553.92
  4. Step 4: Simplify right side
    13,553.92x = 251,203,338.33
  5. Step 5: Solve for x
    x = 251,203,338.33/13,553.92
  6. Step 6: Final answer
    x = 18,533.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.