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Finding the Fourth Proportional to 11,483.55, 17,189.55 and 8,844.21

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Solution

The fourth proportional to 11,483.55, 17,189.55 and 8,844.21 is: 13,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.55 : 17,189.55 = 8,844.21 : x
  2. Step 2: Convert to fraction form
    11,483.55/17,189.55 = 8,844.21/x
  3. Step 3: Cross multiply
    11,483.55x = 17,189.55 × 8,844.21
  4. Step 4: Simplify right side
    11,483.55x = 152,027,990.01
  5. Step 5: Solve for x
    x = 152,027,990.01/11,483.55
  6. Step 6: Final answer
    x = 13,238.76

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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.