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Finding the Fourth Proportional to 20,003.00, 27,603.81 and 11,050.88

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Solution

The fourth proportional to 20,003.00, 27,603.81 and 11,050.88 is: 15,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.00 : 27,603.81 = 11,050.88 : x
  2. Step 2: Convert to fraction form
    20,003.00/27,603.81 = 11,050.88/x
  3. Step 3: Cross multiply
    20,003.00x = 27,603.81 × 11,050.88
  4. Step 4: Simplify right side
    20,003.00x = 305,046,440.19
  5. Step 5: Solve for x
    x = 305,046,440.19/20,003.00
  6. Step 6: Final answer
    x = 15,250.03

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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.