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Finding the Fourth Proportional to 18,148.26, 27,232.29 and 7,055.37

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Solution

The fourth proportional to 18,148.26, 27,232.29 and 7,055.37 is: 10,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.26 : 27,232.29 = 7,055.37 : x
  2. Step 2: Convert to fraction form
    18,148.26/27,232.29 = 7,055.37/x
  3. Step 3: Cross multiply
    18,148.26x = 27,232.29 × 7,055.37
  4. Step 4: Simplify right side
    18,148.26x = 192,133,881.90
  5. Step 5: Solve for x
    x = 192,133,881.90/18,148.26
  6. Step 6: Final answer
    x = 10,586.90

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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.