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Finding the Fourth Proportional to 18,093.81, 27,151.38 and 7,563.03

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Solution

The fourth proportional to 18,093.81, 27,151.38 and 7,563.03 is: 11,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.81 : 27,151.38 = 7,563.03 : x
  2. Step 2: Convert to fraction form
    18,093.81/27,151.38 = 7,563.03/x
  3. Step 3: Cross multiply
    18,093.81x = 27,151.38 × 7,563.03
  4. Step 4: Simplify right side
    18,093.81x = 205,346,701.48
  5. Step 5: Solve for x
    x = 205,346,701.48/18,093.81
  6. Step 6: Final answer
    x = 11,349.00

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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.