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Finding the Fourth Proportional to 19,534.20, 29,301.30 and 18,151.80

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Solution

The fourth proportional to 19,534.20, 29,301.30 and 18,151.80 is: 27,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.20 : 29,301.30 = 18,151.80 : x
  2. Step 2: Convert to fraction form
    19,534.20/29,301.30 = 18,151.80/x
  3. Step 3: Cross multiply
    19,534.20x = 29,301.30 × 18,151.80
  4. Step 4: Simplify right side
    19,534.20x = 531,871,337.34
  5. Step 5: Solve for x
    x = 531,871,337.34/19,534.20
  6. Step 6: Final answer
    x = 27,227.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.