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Finding the Fourth Proportional to 18,208.01, 27,311.00 and 7,673.55

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Solution

The fourth proportional to 18,208.01, 27,311.00 and 7,673.55 is: 11,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.01 : 27,311.00 = 7,673.55 : x
  2. Step 2: Convert to fraction form
    18,208.01/27,311.00 = 7,673.55/x
  3. Step 3: Cross multiply
    18,208.01x = 27,311.00 × 7,673.55
  4. Step 4: Simplify right side
    18,208.01x = 209,572,285.68
  5. Step 5: Solve for x
    x = 209,572,285.68/18,208.01
  6. Step 6: Final answer
    x = 11,509.90

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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.