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Finding the Fourth Proportional to 13,533, 18,675.54 and 8,226.82

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Solution

The fourth proportional to 13,533, 18,675.54 and 8,226.82 is: 11,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533 : 18,675.54 = 8,226.82 : x
  2. Step 2: Convert to fraction form
    13,533/18,675.54 = 8,226.82/x
  3. Step 3: Cross multiply
    13,533x = 18,675.54 × 8,226.82
  4. Step 4: Simplify right side
    13,533x = 153,640,305.98
  5. Step 5: Solve for x
    x = 153,640,305.98/13,533
  6. Step 6: Final answer
    x = 11,353.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.