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Finding the Fourth Proportional to 13,601.00, 18,769.73 and 7,633.13

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Solution

The fourth proportional to 13,601.00, 18,769.73 and 7,633.13 is: 10,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.00 : 18,769.73 = 7,633.13 : x
  2. Step 2: Convert to fraction form
    13,601.00/18,769.73 = 7,633.13/x
  3. Step 3: Cross multiply
    13,601.00x = 18,769.73 × 7,633.13
  4. Step 4: Simplify right side
    13,601.00x = 143,271,657.14
  5. Step 5: Solve for x
    x = 143,271,657.14/13,601.00
  6. Step 6: Final answer
    x = 10,533.90

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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.