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Finding the Fourth Proportional to 18,014.59, 27,021.89 and 5,534.11

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Solution

The fourth proportional to 18,014.59, 27,021.89 and 5,534.11 is: 8,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.59 : 27,021.89 = 5,534.11 : x
  2. Step 2: Convert to fraction form
    18,014.59/27,021.89 = 5,534.11/x
  3. Step 3: Cross multiply
    18,014.59x = 27,021.89 × 5,534.11
  4. Step 4: Simplify right side
    18,014.59x = 149,542,111.67
  5. Step 5: Solve for x
    x = 149,542,111.67/18,014.59
  6. Step 6: Final answer
    x = 8,301.17

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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.